rename to github.com/pablotron/cvez, remove internal libs

115 files changed, 0 insertions, 8857 deletions

diff --git a/internal/cpe/avstring.go b/internal/cpe/avstring.go
deleted file mode 100644
index 46e16cf..0000000
--- a/internal/cpe/avstring.go
+++ /dev/null
@@ -1,54 +0,0 @@
-package cpe
-
-//go:generate stringer -linecomment -type=AvStringType
-
-import (
-  "fmt"
-)
-
-// type of avstring.
-type AvStringType byte
-
-const (
-  AnyString AvStringType = iota // any
-  NaString // na
-  ValString // val
-)
-
-// String value (NISTIR 7695, CPE 2.3 spec, Figure 6-3)
-type AvString struct {
-  Type AvStringType // value type
-  Val  string // value
-}
-
-// token type to avstring type map
-var avTypes = map[tokenType]AvStringType {
-  anyToken: AnyString,
-  naToken: NaString,
-  valToken: ValString,
-}
-
-// create new AvString from token.
-func newAvString(t token) (AvString, error) {
-  if at, ok := avTypes[t.Type]; ok {
-    return AvString { at, t.Val }, nil
-  } else {
-    err := fmt.Errorf("invalid token type: 0x%02x", byte(t.Type))
-    return AvString { 0, "" }, err
-  }
-}
-
-// Serialize as string.
-func (s AvString) String() string {
-  switch s.Type {
-  case AnyString:
-    return "*"
-  case NaString:
-    return "-"
-  case ValString:
-    return s.Val
-  default:
-    // not sure what to return here
-    return ""
-  }
-}
diff --git a/internal/cpe/avstring_test.go b/internal/cpe/avstring_test.go
deleted file mode 100644
index 8cbb14b..0000000
--- a/internal/cpe/avstring_test.go
+++ /dev/null
@@ -1,95 +0,0 @@
-package cpe
-
-import (
-  "testing"
-)
-
-func TestNewAvString(t *testing.T) {
-  passTests := []struct {
-    name string
-    val token
-    exp AvString
-  } {
-    { "any", token { Type: anyToken }, AvString { Type: AnyString } },
-    { "na", token { Type: naToken }, AvString { Type: NaString } },
-    { "empty", token { Type: valToken }, AvString { ValString, "" } },
-    { "foo", token { valToken, "foo" }, AvString { ValString, "foo" } },
-  }
-
-  for _, test := range(passTests) {
-    t.Run(test.name, func(t *testing.T) {
-      got, err := newAvString(test.val)
-      if err != nil {
-        t.Error(err)
-      } else if got.Type != test.exp.Type {
-        t.Errorf("token: got %s, exp %s", got.Type, test.exp.Type)
-      } else if got.Type == ValString && got.Val != test.exp.Val {
-        t.Errorf("value: got \"%s\", exp \"%s\"", got.Val, test.exp.Val)
-      }
-    })
-  }
-
-  failTests := []struct {
-    name string
-    val token
-    exp string
-  } {{
-    name: "invalid token",
-    val:  token { Type: tokenType(127), Val: "foo" },
-    exp:  "invalid token type: 0x7f",
-  }}
-
-  for _, test := range(failTests) {
-    t.Run(test.name, func(t *testing.T) {
-      got, err := newAvString(test.val)
-      if err == nil {
-        t.Errorf("got %v, exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-}
-
-func TestAvStringString(t *testing.T) {
-  tests := []struct {
-    name string
-    val AvString
-    exp string
-  } {
-    { "any", AvString { AnyString, "" }, "*" },
-    { "na", AvString { NaString, "" }, "-" },
-    { "foo", AvString { ValString, "foo" }, "foo" },
-    { "junk", AvString { AvStringType(255), "foo" }, "" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.name, func(t *testing.T) {
-      got := test.val.String()
-      if got != test.exp {
-        t.Errorf("value: got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestAvStringTypeString(t *testing.T) {
-  tests := []struct {
-    val AvStringType
-    exp string
-  } {
-    { AnyString, "any" },
-    { NaString, "na" },
-    { ValString, "val" },
-    { AvStringType(255), "AvStringType(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/cpe/avstringtype_string.go b/internal/cpe/avstringtype_string.go
deleted file mode 100644
index 6fb88e1..0000000
--- a/internal/cpe/avstringtype_string.go
+++ /dev/null
@@ -1,25 +0,0 @@
-// Code generated by "stringer -linecomment -type=AvStringType"; DO NOT EDIT.
-
-package cpe
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[AnyString-0]
-	_ = x[NaString-1]
-	_ = x[ValString-2]
-}
-
-const _AvStringType_name = "anynaval"
-
-var _AvStringType_index = [...]uint8{0, 3, 5, 8}
-
-func (i AvStringType) String() string {
-	if i >= AvStringType(len(_AvStringType_index)-1) {
-		return "AvStringType(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _AvStringType_name[_AvStringType_index[i]:_AvStringType_index[i+1]]
-}
diff --git a/internal/cpe/cpe.go b/internal/cpe/cpe.go
deleted file mode 100644
index dc38419..0000000
--- a/internal/cpe/cpe.go
+++ /dev/null
@@ -1,5 +0,0 @@
-// CPE 2.3 formatted string parser.
-//
-// Source: NISTIR 7695, figure 6-3:
-// https://nvlpubs.nist.gov/nistpubs/Legacy/IR/nistir7695.pdf
-package cpe
diff --git a/internal/cpe/part.go b/internal/cpe/part.go
deleted file mode 100644
index ef91f7c..0000000
--- a/internal/cpe/part.go
+++ /dev/null
@@ -1,41 +0,0 @@
-package cpe
-
-//go:generate stringer -linecomment -type=Part
-
-import (
-  "fmt"
-)
-
-// CPE part
-type Part byte
-
-const (
-  ApplicationPart Part = 'a' // a
-  OperatingSystemPart Part = 'o' // o
-  HardwarePart Part = 'h' // h
-  AnyPart Part = '*' // *
-  NAPart Part = '-' // -
-)
-
-// create new part from token
-func newPart(t token) (Part, error) {
-  switch t.Type {
-  case anyToken:
-    return AnyPart, nil
-  case naToken:
-    return NAPart, nil
-  case valToken:
-    switch t.Val {
-    case "a":
-      return ApplicationPart, nil
-    case "o":
-      return OperatingSystemPart, nil
-    case "h":
-      return HardwarePart, nil
-    default:
-      return 0, fmt.Errorf("unknown part: \"%s\"", t.Val)
-    }
-  default:
-    return 0, fmt.Errorf("unknown token type: 0x%02x", byte(t.Type))
-  }
-}
diff --git a/internal/cpe/part_string.go b/internal/cpe/part_string.go
deleted file mode 100644
index 98b9fd3..0000000
--- a/internal/cpe/part_string.go
+++ /dev/null
@@ -1,41 +0,0 @@
-// Code generated by "stringer -linecomment -type=Part"; DO NOT EDIT.
-
-package cpe
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[ApplicationPart-97]
-	_ = x[OperatingSystemPart-111]
-	_ = x[HardwarePart-104]
-	_ = x[AnyPart-42]
-	_ = x[NAPart-45]
-}
-
-const (
-	_Part_name_0 = "*"
-	_Part_name_1 = "-"
-	_Part_name_2 = "a"
-	_Part_name_3 = "h"
-	_Part_name_4 = "o"
-)
-
-func (i Part) String() string {
-	switch {
-	case i == 42:
-		return _Part_name_0
-	case i == 45:
-		return _Part_name_1
-	case i == 97:
-		return _Part_name_2
-	case i == 104:
-		return _Part_name_3
-	case i == 111:
-		return _Part_name_4
-	default:
-		return "Part(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-}
diff --git a/internal/cpe/part_test.go b/internal/cpe/part_test.go
deleted file mode 100644
index 269d16e..0000000
--- a/internal/cpe/part_test.go
+++ /dev/null
@@ -1,108 +0,0 @@
-package cpe
-
-import (
-  "testing"
-)
-
-func TestNewPart(t *testing.T) {
-  passTests := []struct {
-    name string
-    val token
-    exp Part
-  } {{
-    name: "any",
-    val:  token { Type: anyToken },
-    exp:  AnyPart,
-  }, {
-    name: "na",
-    val:  token { Type: naToken },
-    exp:  NAPart,
-  }, {
-    name: "a",
-    val:  token { Type: valToken, Val: "a" },
-    exp:  ApplicationPart,
-  }, {
-    name: "h",
-    val:  token { Type: valToken, Val: "h" },
-    exp:  HardwarePart,
-  }, {
-    name: "o",
-    val:  token { Type: valToken, Val: "o" },
-    exp:  OperatingSystemPart,
-  }}
-
-  for _, test := range(passTests) {
-    t.Run(test.name, func(t *testing.T) {
-      if got, err := newPart(test.val); err != nil {
-        t.Error(err)
-      } else if got != test.exp {
-        t.Errorf("got %s, exp %s", got, test.exp)
-      }
-    })
-  }
-
-  failTests := []struct {
-    name string
-    val token
-    exp string
-  } {{
-    name: "invalid token",
-    val:  token { Type: valToken, Val: "foo" },
-    exp:  "unknown part: \"foo\"",
-  }, {
-    name: "empty token",
-    val:  token { Type: valToken },
-    exp:  "unknown part: \"\"",
-  }, {
-    name: "unknown token type",
-    val:  token { Type: tokenType(255) },
-    exp:  "unknown token type: 0xff",
-  }}
-
-  for _, test := range(failTests) {
-    t.Run(test.name, func(t *testing.T) {
-      // tokenize, check for error
-      got, err := newPart(test.val)
-      if err == nil {
-        t.Errorf("got %v, exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-}
-
-func TestPartString(t *testing.T) {
-  tests := []struct {
-    val Part
-    exp string
-  } {{
-    val:  AnyPart,
-    exp:  "*",
-  }, {
-    val:  NAPart,
-    exp:  "-",
-  }, {
-    val:  ApplicationPart,
-    exp:  "a",
-  }, {
-    val:  HardwarePart,
-    exp:  "h",
-  }, {
-    val:  OperatingSystemPart,
-    exp:  "o",
-  }, {
-    val:  Part(255),
-    exp:  "Part(255)",
-  }}
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/cpe/token.go b/internal/cpe/token.go
deleted file mode 100644
index d88e773..0000000
--- a/internal/cpe/token.go
+++ /dev/null
@@ -1,99 +0,0 @@
-package cpe
-
-//go:generate stringer -linecomment -type=tokenType
-
-import (
-  "errors"
-  "fmt"
-)
-
-// token type
-type tokenType byte
-
-const (
-  anyToken tokenType = iota // any
-  naToken // na
-  valToken // val
-)
-
-// token
-type token struct {
-  Type tokenType // token type
-  Val string // token value
-}
-
-// parse buffer into token.
-func newToken(val []byte) token {
-  if len(val) > 0 {
-    switch val[0] {
-    case '*':
-      return token { Type: anyToken }
-    case '-':
-      return token { Type: naToken }
-    default:
-      return token { Type: valToken, Val: string(val) }
-    }
-  } else {
-    // empty value
-    return token { Type: valToken }
-  }
-}
-
-// unterminated escape error
-var unterminatedEsc = errors.New("unterminated escape at end of buffer")
-
-// Parse buffer into list of tokens.
-func tokenize(buf []byte) ([]token, error) {
-  // build result
-  var r []token
-
-  // current token and escape state
-  var curr []byte
-  esc := false
-
-  // build result
-  for _, b := range(buf) {
-    if esc {
-      switch b {
-      // valid escaped characters
-      case '\\', '*', '-', '!', '"', '#', '$', '%', '&', '\'', '(', ')',
-           '+', ',', '/', ':', ';', '<', '=', '>', '@', '[', ']', '^', '`',
-           '{', '|', '}', '~':
-        curr = append(curr, b)
-        esc = false
-      default:
-        return r, fmt.Errorf("invalid escape byte: 0x%02x", b)
-      }
-    } else {
-      switch b {
-      case '\\':
-        esc = true
-      case ':':
-        // push token, clear buffer
-        r = append(r, newToken(curr))
-        curr = nil
-      case 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
-           'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
-           'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
-           '-', '.', '_', '*', '?':
-        curr = append(curr, b)
-      default:
-        return r, fmt.Errorf("invalid byte: 0x%02x", b)
-      }
-    }
-  }
-
-  // check for unterminated escape
-  if esc {
-    return r, unterminatedEsc
-  }
-
-  if len(curr) > 0 {
-    // push token, clear buffer
-    r = append(r, newToken(curr))
-    curr = nil
-  }
-
-  // return success
-  return r, nil
-}
diff --git a/internal/cpe/token_test.go b/internal/cpe/token_test.go
deleted file mode 100644
index 595df2c..0000000
--- a/internal/cpe/token_test.go
+++ /dev/null
@@ -1,149 +0,0 @@
-package cpe
-
-import (
-  "reflect"
-  "testing"
-)
-
-func TestTokenTypeString(t *testing.T) {
-  tests := []struct {
-    val tokenType
-    exp string
-  } {
-    { anyToken, "any" },
-    { naToken, "na" },
-    { valToken, "val" },
-    { tokenType(255), "tokenType(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestNewToken(t *testing.T) {
-  passTests := []struct {
-    name string
-    val string
-    exp token
-  } {
-    { "any", "*", token { Type: anyToken } },
-    { "na", "-", token { Type: naToken } },
-    { "empty", "", token { Type: valToken } },
-    { "foo", "foo", token { Type: valToken, Val: "foo" } },
-  }
-
-  for _, test := range(passTests) {
-    t.Run(test.name, func(t *testing.T) {
-      got := newToken([]byte(test.val))
-      if got.Type != test.exp.Type {
-        t.Errorf("token: got %s, exp %s", got.Type, test.exp.Type)
-      } else if got.Type == valToken && got.Val != test.exp.Val {
-        t.Errorf("value: got \"%s\", exp \"%s\"", got.Val, test.exp.Val)
-      }
-    })
-  }
-}
-
-func TestTokenize(t *testing.T) {
-  passTests := []struct {
-    val string
-    exp []token
-  } {{
-    val: "foo",
-    exp: []token { token { Type: valToken, Val: "foo" } },
-  }, {
-    val: "foo:bar",
-    exp: []token {
-      token { Type: valToken, Val: "foo" },
-      token { Type: valToken, Val: "bar" },
-    },
-  }, {
-    val: "*",
-    exp: []token { token { Type: anyToken } },
-  }, {
-    val: "-",
-    exp: []token { token { Type: naToken } },
-  }, {
-    val: "*:bar",
-    exp: []token {
-      token { Type: anyToken },
-      token { Type: valToken, Val: "bar" },
-    },
-  }, {
-    val: "foo:*",
-    exp: []token {
-      token { Type: valToken, Val: "foo" },
-      token { Type: anyToken },
-    },
-  }, {
-    val: "-:bar",
-    exp: []token {
-      token { Type: naToken },
-      token { Type: valToken, Val: "bar" },
-    },
-  }, {
-    val: "foo:-",
-    exp: []token {
-      token { Type: valToken, Val: "foo" },
-      token { Type: naToken },
-    },
-  }, {
-    val: "foo\\*:-",
-    exp: []token {
-      token { Type: valToken, Val: "foo*" },
-      token { Type: naToken },
-    },
-  }}
-
-  for _, test := range(passTests) {
-    t.Run(test.val, func(t *testing.T) {
-      // tokenize, check for error
-      got, err := tokenize([]byte(test.val))
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      if !reflect.DeepEqual(got, test.exp) {
-        t.Errorf("token: got %v, exp %v", got, test.exp)
-        return
-      }
-    })
-  }
-
-  failTests := []struct {
-    id  string
-    val string
-    exp string
-  } {{
-    id:  "invalid escape",
-    val: "foo\\.",
-    exp: "invalid escape byte: 0x2e",
-  }, {
-    id:  "invalid byte",
-    val: "\n",
-    exp: "invalid byte: 0x0a",
-  }, {
-    id:  "unterminated escape",
-    val: "\\",
-    exp: "unterminated escape at end of buffer",
-  }}
-
-  for _, test := range(failTests) {
-    t.Run(test.id, func(t *testing.T) {
-      // tokenize, check for error
-      got, err := tokenize([]byte(test.val))
-      if err == nil {
-        t.Errorf("got %v, exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/cpe/tokentype_string.go b/internal/cpe/tokentype_string.go
deleted file mode 100644
index 7b53758..0000000
--- a/internal/cpe/tokentype_string.go
+++ /dev/null
@@ -1,25 +0,0 @@
-// Code generated by "stringer -linecomment -type=tokenType"; DO NOT EDIT.
-
-package cpe
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[anyToken-0]
-	_ = x[naToken-1]
-	_ = x[valToken-2]
-}
-
-const _tokenType_name = "anynaval"
-
-var _tokenType_index = [...]uint8{0, 3, 5, 8}
-
-func (i tokenType) String() string {
-	if i >= tokenType(len(_tokenType_index)-1) {
-		return "tokenType(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _tokenType_name[_tokenType_index[i]:_tokenType_index[i+1]]
-}
diff --git a/internal/cpe/v23binding.go b/internal/cpe/v23binding.go
deleted file mode 100644
index 24fb7b2..0000000
--- a/internal/cpe/v23binding.go
+++ /dev/null
@@ -1,119 +0,0 @@
-package cpe
-
-import (
-  "encoding/json"
-  "errors"
-  "fmt"
-  "strings"
-)
-
-// CPE 2.3 binding.
-type V23Binding struct {
-  Part      Part      // Part attribute (NISTIR7695 5.3.3.1).
-  Vendor    AvString  // Vendor attribute (NISTIR7695 5.3.3.2).
-  Product   AvString  // Product attribute (NISTIR7695 5.3.3.3).
-  Version   AvString  // Version attribute (NISTIR7695 5.3.3.4).
-  Update    AvString  // Update attribute (NISTIR7695 5.3.3.5).
-  Edition   AvString  // Edition attribute (NISTIR7695 5.3.3.6).
-  SwEdition AvString  // Software edition attribute (NISTIR7695 5.3.3.7).
-  TargetSw  AvString  // Target software attribute (NISTIR7695 5.3.3.8).
-  TargetHw  AvString  // Target hardware attribute (NISTIR7695 5.3.3.9).
-  Lang      AvString  // Language attribute (NISTIR7695 5.3.3.10).
-  Other     AvString  // Other attribute (NISTIR7695 5.3.3.11).
-}
-
-// formatted string prefix
-var cpe23Prefix = "cpe:2.3:"
-
-// missing prefix error
-var missingPrefix = errors.New("missing CPE 2.3 prefix")
-
-// Create binding from CPE 2.3 formatted string.
-func NewV23Binding(s string) (V23Binding, error) {
-  // check prefix
-  if s[0:len(cpe23Prefix)] != cpe23Prefix {
-    return V23Binding{}, missingPrefix
-  }
-
-  // tokenize string, check for error
-  toks, err := tokenize([]byte(s[len(cpe23Prefix):]))
-  if err != nil {
-    return V23Binding{}, err
-  }
-
-  // check token count
-  if len(toks) != 11 {
-    err = fmt.Errorf("invalid attribute count: %d != 11", len(toks))
-    return V23Binding{}, err
-  }
-
-  // create part
-  part, err := newPart(toks[0])
-  if err != nil {
-    return V23Binding{}, err
-  }
-
-  // parse tokens into strings
-  strs := make([]AvString, len(toks) - 1)
-  for i, t := range(toks[1:]) {
-    if strs[i], err = newAvString(t); err != nil {
-      return V23Binding{}, err
-    }
-  }
-
-  // build and return result
-  return V23Binding {
-    Part: part,
-    Vendor: strs[0],
-    Product: strs[1],
-    Version: strs[2],
-    Update: strs[3],
-    Edition: strs[4],
-    Lang: strs[5],
-    SwEdition: strs[6],
-    TargetSw: strs[7],
-    TargetHw: strs[8],
-    Other: strs[9],
-  }, nil
-}
-
-// Serialize CPE 2.3 binding as formatted string.
-func (v V23Binding) String() string {
-  return cpe23Prefix + strings.Join([]string {
-    v.Part.String(),
-    v.Vendor.String(),
-    v.Product.String(),
-    v.Version.String(),
-    v.Update.String(),
-    v.Edition.String(),
-    v.Lang.String(),
-    v.SwEdition.String(),
-    v.TargetSw.String(),
-    v.TargetHw.String(),
-    v.Other.String(),
-  }, ":")
-}
-
-// Unmarshal CPE 2.3 binding from JSON string.
-func (me *V23Binding) UnmarshalJSON(b []byte) error {
-  // decode json string
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // create binding
-  binding, err := NewV23Binding(s)
-  if err != nil {
-    return err
-  }
-
-  // save result, return success
-  *me = binding
-  return nil
-}
-
-// Marshal CPE binding as JSON string.
-func (v V23Binding) MarshalJSON() ([]byte, error) {
-  return json.Marshal(v.String())
-}
diff --git a/internal/cpe/v23binding_test.go b/internal/cpe/v23binding_test.go
deleted file mode 100644
index 4fa46bb..0000000
--- a/internal/cpe/v23binding_test.go
+++ /dev/null
@@ -1,132 +0,0 @@
-package cpe
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestNewV23Binding(t *testing.T) {
-  passTests := []string {
-    "cpe:2.3:o:intel:ethernet_controller_e810_firmware:*:*:*:*:*:*:*:*",
-  }
-
-  for _, val := range(passTests) {
-    t.Run(val, func(t *testing.T) {
-      if _, err := NewV23Binding(val); err != nil {
-        t.Error(err)
-      }
-    })
-  }
-
-  failTests := []struct {
-    val string
-    exp string
-  } {{
-    val: "o:intel:ethernet_controller_e810_firmware:*:*:*:*:*:*:*:*",
-    exp: "missing CPE 2.3 prefix",
-  }, {
-    val: "cpe:2.3:\n",
-    exp: "invalid byte: 0x0a",
-  }, {
-    val: "cpe:2.3:o:intel:ethernet_controller_e810_firmware:*:*:*:*:*:*:*",
-    exp: "invalid attribute count: 10 != 11",
-  }, {
-    val: "cpe:2.3:foo:intel:ethernet_controller_e810_firmware:*:*:*:*:*:*:*:*",
-    exp: "unknown part: \"foo\"",
-  }}
-
-  for _, test := range(failTests) {
-    t.Run(test.val, func(t *testing.T) {
-      got, err := NewV23Binding(test.val)
-      if err == nil {
-        t.Errorf("got %v, exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-}
-
-func TestV23BindingString(t *testing.T) {
-  tests := []string {
-    "cpe:2.3:o:intel:ethernet_controller_e810_firmware:*:*:*:*:*:*:*:*",
-  }
-
-  for _, val := range(tests) {
-    t.Run(val, func(t *testing.T) {
-      if got, err := NewV23Binding(val); err != nil {
-        t.Error(err)
-      } else if got.String() != val {
-        t.Errorf("got \"%s\", exp \"%s\"", got.String(), val)
-      }
-    })
-  }
-}
-
-func TestV23BindingUnmarshalJSON(t *testing.T) {
-  passTests := []string {
-    `"cpe:2.3:o:intel:ethernet_controller_e810_firmware:*:*:*:*:*:*:*:*"`,
-  }
-
-  for _, val := range(passTests) {
-    t.Run(val, func(t *testing.T) {
-      var b V23Binding
-      if err := json.Unmarshal([]byte(val), &b); err != nil {
-        t.Error(err)
-      }
-    })
-  }
-
-  failTests := []struct {
-    val string
-    exp string
-  } {{
-    val: `"o:intel:ethernet_controller_e810_firmware:*:*:*:*:*:*:*:*`,
-    exp: "unexpected end of JSON input",
-  }, {
-    val: `"o:intel:ethernet_controller_e810_firmware:*:*:*:*:*:*:*:*"`,
-    exp: "missing CPE 2.3 prefix",
-  }}
-
-  for _, test := range(failTests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V23Binding
-      if err := json.Unmarshal([]byte(test.val), &got); err == nil {
-        t.Errorf("got %v, exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-}
-
-func TestV23BindingMarshalJSON(t *testing.T) {
-  tests := []string {
-    "cpe:2.3:o:intel:ethernet_controller_e810_firmware:*:*:*:*:*:*:*:*",
-  }
-
-  for _, val := range(tests) {
-    t.Run(val, func(t *testing.T) {
-      // create binding, check for error
-      b, err := NewV23Binding(val)
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      // marshal json, check for error
-      got, err := json.Marshal(b)
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      // build/check expected value
-      exp := "\"" + val + "\""
-      if string(got) != exp {
-        t.Errorf("got \"%s\", exp \"%s\"", string(got), exp)
-        return
-      }
-    })
-  }
-}
diff --git a/internal/cpedict/cpedict.go b/internal/cpedict/cpedict.go
deleted file mode 100644
index 0b5f77b..0000000
--- a/internal/cpedict/cpedict.go
+++ /dev/null
@@ -1,46 +0,0 @@
-// CPE 2.3 dictionary parser.
-//
-// The official NVD CPE dictionary is available here:
-// https://nvd.nist.gov/products/cpe
-package cpedict
-
-import "time"
-
-// Dictionary generator information.
-type Generator struct {
-  ProductName string `xml:"product_name"` // Product name.
-  ProductVersion string `xml:"product_version"` // Product version.
-  SchemaVersion string `xml:"schema_version"` // Schema version.
-  Timestamp time.Time `xml:"timestamp"` // Generation timestamp.
-}
-
-// Dictionary item title.
-type Title struct {
-  Lang string `xml:"lang,attr"` // language code
-  Text string `xml:",chardata"` // value
-}
-
-// Dictionary item reference.
-type Reference struct {
-  Href string `xml:"href,attr"` // Link
-  Text string `xml:",chardata"` // Text
-}
-
-// CPE 2.3 item attributes.
-type Cpe23Item struct {
-  Name string `xml:"name,attr"` // CPE 2.3 formatting string.
-}
-
-// Dictionary item.
-type Item struct {
-  CpeUri string `xml:"name,attr"` // CPE URI.
-  Cpe23Item Cpe23Item `xml:"cpe23-item"` // CPE 2.3 formatting string.
-  Titles []Title `xml:"title"` // Item titles.
-  References []Reference `xml:"references>reference"` // References.
-}
-
-// CPE dictionary.
-type Dictionary struct {
-  Generator Generator `xml:"generator"` // Dictionary generator.
-  Items []Item `xml:"cpe-item"` // Dictionary items.
-}
diff --git a/internal/cpedict/cpedict_test.go b/internal/cpedict/cpedict_test.go
deleted file mode 100644
index eca0aeb..0000000
--- a/internal/cpedict/cpedict_test.go
+++ /dev/null
@@ -1,136 +0,0 @@
-package cpedict
-
-import (
-  "compress/gzip"
-  "encoding/xml"
-  "os"
-  "testing"
-  "time"
-  "reflect"
-)
-
-func TestDictionaryXMLUnmarshal(t *testing.T) {
-  // open test data
-  f, err := os.Open("testdata/test-0.xml.gz")
-  if err != nil {
-    t.Error(err)
-    return
-  }
-  defer f.Close()
-
-  // create gzip reader
-  gz, err := gzip.NewReader(f)
-  if err != nil {
-    t.Error(err)
-    return
-  }
-  defer gz.Close()
-
-  // create xml decoder, decode xml
-  d := xml.NewDecoder(gz)
-  var dict Dictionary
-
-  if err := d.Decode(&dict); err != nil {
-    t.Error(err)
-    return
-  }
-
-  // build expected time
-  var expTime time.Time
-  if err := expTime.UnmarshalText([]byte("2022-02-02T04:51:00.437Z")); err != nil {
-    t.Error(err)
-    return
-  }
-
-  // expected generator
-  expGenerator := Generator {
-    ProductName: "National Vulnerability Database (NVD)",
-    ProductVersion: "4.9",
-    SchemaVersion: "2.3",
-    Timestamp: expTime,
-  }
-
-  // compare generator
-  if !reflect.DeepEqual(dict.Generator, expGenerator) {
-    t.Errorf("got \"%v\", exp \"%v\"", dict.Generator, expGenerator)
-    return
-  }
-
-  // check item count
-  gotNumItems := len(dict.Items)
-  expNumItems := 19
-  if gotNumItems != expNumItems {
-    t.Errorf("item count: got %d, exp %d", gotNumItems, expNumItems)
-    return
-  }
-
-  // build expected item
-  expItems := []Item {
-    // first item in the list
-    Item {
-      CpeUri: "cpe:/a:%240.99_kindle_books_project:%240.99_kindle_books:6::~~~android~~",
-
-      Cpe23Item: Cpe23Item {
-        Name: "cpe:2.3:a:\\$0.99_kindle_books_project:\\$0.99_kindle_books:6:*:*:*:*:android:*:*",
-      },
-
-      Titles: []Title {
-        Title {
-          Lang: "en-US",
-          Text: "$0.99 Kindle Books project $0.99 Kindle Books (aka com.kindle.books.for99) for android 6.0",
-        },
-      },
-
-      References: []Reference {
-        Reference {
-          Href: "https://play.google.com/store/apps/details?id=com.kindle.books.for99",
-          Text: "Product information",
-        },
-
-        Reference {
-          Href: "https://docs.google.com/spreadsheets/d/1t5GXwjw82SyunALVJb2w0zi3FoLRIkfGPc7AMjRF0r4/edit?pli=1#gid=1053404143",
-          Text: "Government Advisory",
-        },
-      },
-    },
-
-    // last item in the list
-    Item {
-      CpeUri: "cpe:/a:3com:3c16116-us:2.0",
-
-      Cpe23Item: Cpe23Item {
-        Name: "cpe:2.3:a:3com:3c16116-us:2.0:*:*:*:*:*:*:*",
-      },
-
-      Titles: []Title {
-        Title {
-          Lang: "ja-JP",
-          Text: "スリーコム WebCache 3000 2.0",
-        },
-
-        Title {
-          Lang: "en-US",
-          Text: "3Com WebCache 3000 2.0",
-        },
-      },
-    },
-  }
-
-  // build item comparisons
-  compares := []struct {
-    name string
-    exp  Item
-    got  Item
-  } {
-    { "head", expItems[0], dict.Items[0] },
-    { "tail", expItems[1], dict.Items[len(dict.Items) - 1] },
-  }
-
-  for _, row := range(compares) {
-    t.Run(row.name, func(t *testing.T) {
-      if !reflect.DeepEqual(row.got, row.exp) {
-        t.Errorf("got \"%v\", exp \"%v\"", row.got, row.exp)
-      }
-    })
-  }
-}
diff --git a/internal/cpedict/testdata/test-0.xml.gz b/internal/cpedict/testdata/test-0.xml.gz
deleted file mode 100644
index 110e965..0000000
--- a/internal/cpedict/testdata/test-0.xml.gz
+++ /dev/null
diff --git a/internal/cpematch/cpematch.go b/internal/cpematch/cpematch.go
deleted file mode 100644
index 0bae622..0000000
--- a/internal/cpematch/cpematch.go
+++ /dev/null
@@ -1,31 +0,0 @@
-// CPE match feed 1.0 parser.
-//
-// Latest CPE match feed available from here:
-// https://nvd.nist.gov/vuln/data-feeds#cpeMatch
-//
-// JSON schema available here:
-// https://csrc.nist.gov/schema/cpematch/feed/1.0/nvd_cpematch_feed_json_1.0.schema
-package cpematch
-
-// CPE name
-type Name struct {
-  Cpe22Uri string `json:"cpe22Uri"`
-  Cpe23Uri string `json:"cpe23Uri"`
-}
-
-// CPE match string or range
-type Match struct {
-  Vulnerable *bool `json:"vulnerable"`
-  Cpe22Uri string `json:"cpe22Uri"`
-  Cpe23Uri string `json:"cpe23Uri"`
-  VersionStartExcluding string `json:"versionStartExcluding"`
-  VersionStartIncluding string `json:"versionStartIncluding"`
-  VersionEndExcluding string `json:"versionEndExcluding"`
-  VersionEndIncluding string `json:"versionEndIncluding"`
-  Names []Name `json:"cpe_name"` // CPE match strings
-}
-
-// CPE matches
-type Matches struct {
-  Matches []Match `json:"matches"` // Array of CPE matches
-}
diff --git a/internal/cpematch/cpematch_test.go b/internal/cpematch/cpematch_test.go
deleted file mode 100644
index 7d69410..0000000
--- a/internal/cpematch/cpematch_test.go
+++ /dev/null
@@ -1,100 +0,0 @@
-package cpematch
-
-import (
-  "compress/gzip"
-  "encoding/json"
-  "os"
-  "reflect"
-  "testing"
-)
-
-func TestMatchesUnmarshal(t *testing.T) {
-  // expected data
-  exp := Matches {
-    Matches: []Match {
-      Match {
-        Cpe23Uri: "cpe:2.3:a:101_project:101:*:*:*:*:*:node.js:*:*",
-        VersionStartIncluding: "1.0.0",
-        VersionEndIncluding: "1.6.3",
-        Names: []Name {
-          Name {
-            Cpe23Uri: "cpe:2.3:a:101_project:101:1.0.0:*:*:*:*:node.js:*:*",
-          },
-
-          Name {
-            Cpe23Uri: "cpe:2.3:a:101_project:101:1.1.0:*:*:*:*:node.js:*:*",
-          },
-
-          Name {
-            Cpe23Uri: "cpe:2.3:a:101_project:101:1.1.1:*:*:*:*:node.js:*:*",
-          },
-        },
-      },
-
-      Match {
-        Cpe23Uri: "cpe:2.3:a:1password:1password:*:*:*:*:*:macos:*:*",
-        VersionStartIncluding: "7.7.0",
-        VersionEndExcluding: "7.8.7",
-        Names: []Name {
-          Name {
-            Cpe23Uri: "cpe:2.3:a:1password:1password:7.7.0:*:*:*:*:macos:*:*",
-          },
-        },
-      },
-
-      Match {
-        Cpe23Uri: "cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*",
-        VersionStartExcluding: "8.8.0",
-        VersionEndExcluding: "8.8.15",
-        Names: []Name {
-          Name {
-            Cpe23Uri: "cpe:2.3:a:zimbra:collaboration:8.8.6:*:*:*:*:*:*:*",
-          },
-
-          Name {
-            Cpe23Uri: "cpe:2.3:a:zimbra:collaboration:8.8.7:*:*:*:*:*:*:*",
-          },
-
-          Name {
-            Cpe23Uri: "cpe:2.3:a:zimbra:collaboration:8.8.8:-:*:*:*:*:*:*",
-          },
-
-          Name {
-            Cpe23Uri: "cpe:2.3:a:zimbra:collaboration:8.8.8:p1:*:*:*:*:*:*",
-          },
-        },
-      },
-    },
-  }
-
-  // open test data
-  f, err := os.Open("testdata/test-0.json.gz")
-  if err != nil {
-    t.Error(err)
-    return
-  }
-  defer f.Close()
-
-  // create gzip reader
-  gz, err := gzip.NewReader(f)
-  if err != nil {
-    t.Error(err)
-    return
-  }
-  defer gz.Close()
-
-  // create json decoder
-  d := json.NewDecoder(gz)
-  var got Matches
-
-  // decode match data, check for error
-  if err := d.Decode(&got); err != nil {
-    t.Error(err)
-    return
-  }
-
-  // check for match
-  if !reflect.DeepEqual(got, exp) {
-    t.Errorf("got \"%v\", exp \"%v\"", got, exp)
-  }
-}
diff --git a/internal/cpematch/testdata/test-0.json.gz b/internal/cpematch/testdata/test-0.json.gz
deleted file mode 100644
index 611bd58..0000000
--- a/internal/cpematch/testdata/test-0.json.gz
+++ /dev/null
diff --git a/internal/cvss/badkey.go b/internal/cvss/badkey.go
deleted file mode 100644
index d4bc845..0000000
--- a/internal/cvss/badkey.go
+++ /dev/null
@@ -1,20 +0,0 @@
-package cvss
-
-// disabled for now (unused)
-// import "fmt"
-// 
-// // Bad metric key error.
-// type badKey struct {
-//   version Version
-//   key string
-// }
-// 
-// // Create new bad key error.
-// func newBadKey(version Version, key string) error {
-//   return &badKey { version, key }
-// }
-// 
-// // Return printable error string
-// func (e badKey) Error() string {
-//   return fmt.Sprintf("invalid CVSS %s metric key: %s", e.version, e.key)
-// }
diff --git a/internal/cvss/badmetric.go b/internal/cvss/badmetric.go
deleted file mode 100644
index 8f0bf5f..0000000
--- a/internal/cvss/badmetric.go
+++ /dev/null
@@ -1,19 +0,0 @@
-package cvss
-
-import "fmt"
-
-// Bad metric error.
-type badMetric struct {
-  version Version // CVSS version
-  val string // metric value
-}
-
-// Create new bad key error.
-func newBadMetric(version Version, val string) error {
-  return &badMetric { version, val }
-}
-
-// Return printable error string.
-func (e badMetric) Error() string {
-  return fmt.Sprintf("invalid CVSS %s metric: %s", e.version, e.val)
-}
diff --git a/internal/cvss/badmetric_test.go b/internal/cvss/badmetric_test.go
deleted file mode 100644
index 87316c0..0000000
--- a/internal/cvss/badmetric_test.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package cvss
-
-import "testing"
-
-func TestNewBadMetric(t *testing.T) {
-  tests := []struct {
-    name    string
-    version Version
-    val     string
-    exp     string
-  } {
-    { "v20-foo", V20, "foo", "invalid CVSS 2.0 metric: foo" },
-    { "v30-foo", V30, "foo", "invalid CVSS 3.0 metric: foo" },
-    { "v31-foo", V31, "foo", "invalid CVSS 3.1 metric: foo" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.name, func(t *testing.T) {
-      err := newBadMetric(test.version, test.val)
-      if err.Error() != test.exp {
-        t.Errorf("got: %s, exp: %s", err.Error(), test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/cvss/category.go b/internal/cvss/category.go
deleted file mode 100644
index 54781dc..0000000
--- a/internal/cvss/category.go
+++ /dev/null
@@ -1,13 +0,0 @@
-package cvss
-
-//go:generate stringer -linecomment -type=Category
-
-// CVSS metric category.
-type Category byte
-
-const (
-  Base Category = iota // Base
-  Temporal // Temporal
-  Environmental // Environmental
-  InvalidCategory // invalid
-)
diff --git a/internal/cvss/category_string.go b/internal/cvss/category_string.go
deleted file mode 100644
index 782f8fb..0000000
--- a/internal/cvss/category_string.go
+++ /dev/null
@@ -1,26 +0,0 @@
-// Code generated by "stringer -linecomment -type=Category"; DO NOT EDIT.
-
-package cvss
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[Base-0]
-	_ = x[Temporal-1]
-	_ = x[Environmental-2]
-	_ = x[InvalidCategory-3]
-}
-
-const _Category_name = "BaseTemporalEnvironmentalinvalid"
-
-var _Category_index = [...]uint8{0, 4, 12, 25, 32}
-
-func (i Category) String() string {
-	if i >= Category(len(_Category_index)-1) {
-		return "Category(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _Category_name[_Category_index[i]:_Category_index[i+1]]
-}
diff --git a/internal/cvss/category_test.go b/internal/cvss/category_test.go
deleted file mode 100644
index 7f69689..0000000
--- a/internal/cvss/category_test.go
+++ /dev/null
@@ -1,41 +0,0 @@
-package cvss
-
-import "testing"
-
-func TestCategoryString(t *testing.T) {
-  tests := []struct {
-    cat Category
-    exp string
-  } {
-    { Base, "Base" },
-    { Temporal, "Temporal" },
-    { Environmental, "Environmental" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.cat.String()
-      if got != test.exp {
-        t.Errorf("got: %s, exp: %s", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestInvalidCategory(t *testing.T) {
-  tests := []struct {
-    cat Category
-    exp string
-  } {
-    { Category(byte(255)), "Category(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.cat.String()
-      if got != test.exp {
-        t.Errorf("got: %s, exp: %s", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/cvss/cvss.go b/internal/cvss/cvss.go
deleted file mode 100644
index 2bae0d7..0000000
--- a/internal/cvss/cvss.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// CVSS vector parser.
-package cvss
-
-// Metric key.
-type Key interface {
-  // Get full name.
-  Name() string
-
-  // Get category.
-  Category() Category
-
-  // Return string representation.
-  String() string
-}
-
-// CVSS metric.
-type Metric interface {
-  // Get metric key.
-  Key() Key
-
-  // Return string representation of metric.
-  String() string
-}
diff --git a/internal/cvss/v2key.go b/internal/cvss/v2key.go
deleted file mode 100644
index 740d26d..0000000
--- a/internal/cvss/v2key.go
+++ /dev/null
@@ -1,92 +0,0 @@
-package cvss
-
-//go:generate stringer -linecomment -type=v2Key
-
-// CVSS 2.0 metric key.
-type v2Key byte
-
-const (
-  v2AccessVector v2Key = iota // AV
-  v2AccessComplexity // AC
-  v2Authentication // Au
-  v2ConfidentialityImpact // C
-  v2IntegrityImpact // I
-  v2AvailabilityImpact // A
-  v2Exploitability // E
-  v2RemediationLevel // RL
-  v2ReportConfidence // RC
-  v2CollateralDamagePotential // CDP
-  v2TargetDistribution // TD
-  v2ConfidentialityRequirement // CR
-  v2IntegrityRequirement // IR
-  v2AvailabilityRequirement // AR
-
-  v2InvalidKey // invalid
-)
-
-// CVSS V2 metric key info lut
-var v2Keys = map[v2Key]struct {
-  Name string
-  Category Category
-} {
-  v2AccessVector: { "Access Vector", Base },
-  v2AccessComplexity: { "Access Complexity", Base },
-  v2Authentication: { "Authentication", Base },
-  v2ConfidentialityImpact: { "Confidentiality Impact", Base },
-  v2IntegrityImpact: { "Integrity Impact", Base },
-  v2AvailabilityImpact: { "Availability Impact", Base },
-  v2Exploitability: { "Exploitability", Temporal },
-  v2RemediationLevel: { "Remediation Level", Temporal },
-  v2ReportConfidence: { "Report Confidence", Temporal },
-  v2CollateralDamagePotential: { "Collateral Damage Potential", Environmental },
-  v2TargetDistribution: { "Target Distribution", Environmental },
-  v2ConfidentialityRequirement: { "Confidentiality Requirement", Environmental },
-  v2IntegrityRequirement: { "Integrity Requirement", Environmental },
-  v2AvailabilityRequirement: { "Availability Requirement", Environmental },
-}
-
-// // v2 metric key IDs lut
-// var v2KeyIds = map[string]v2Key {
-//   "AV": v2AccessVector,
-//   "AC": v2AccessComplexity,
-//   "Au": v2Authentication,
-//   "C": v2ConfidentialityImpact,
-//   "I": v2IntegrityImpact,
-//   "A": v2AvailabilityImpact,
-//   "E": v2Exploitability,
-//   "RL": v2RemediationLevel,
-//   "RC": v2ReportConfidence,
-//   "CDP": v2CollateralDamagePotential,
-//   "TD": v2TargetDistribution,
-//   "CR": v2ConfidentialityRequirement,
-//   "IR": v2IntegrityRequirement,
-//   "AR": v2AvailabilityRequirement,
-// }
-// 
-// // Get metric key from string.
-// func getV2KeyFromString(s string) (v2Key, error) {
-//   k, ok := v2KeyIds[s]
-//   if ok {
-//     return k, nil
-//   } else {
-//     return v2InvalidKey, newBadKey(V20, s)
-//   }
-// }
-
-// Get metric key name.
-func (k v2Key) Name() string {
-  if data, ok := v2Keys[k]; ok {
-    return data.Name
-  } else {
-    return "invalid"
-  }
-}
-
-// Get metric key category.
-func (k v2Key) Category() Category {
-  if data, ok := v2Keys[k]; ok {
-    return data.Category
-  } else {
-    return InvalidCategory
-  }
-}
diff --git a/internal/cvss/v2key_string.go b/internal/cvss/v2key_string.go
deleted file mode 100644
index 8e945fd..0000000
--- a/internal/cvss/v2key_string.go
+++ /dev/null
@@ -1,37 +0,0 @@
-// Code generated by "stringer -linecomment -type=v2Key"; DO NOT EDIT.
-
-package cvss
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[v2AccessVector-0]
-	_ = x[v2AccessComplexity-1]
-	_ = x[v2Authentication-2]
-	_ = x[v2ConfidentialityImpact-3]
-	_ = x[v2IntegrityImpact-4]
-	_ = x[v2AvailabilityImpact-5]
-	_ = x[v2Exploitability-6]
-	_ = x[v2RemediationLevel-7]
-	_ = x[v2ReportConfidence-8]
-	_ = x[v2CollateralDamagePotential-9]
-	_ = x[v2TargetDistribution-10]
-	_ = x[v2ConfidentialityRequirement-11]
-	_ = x[v2IntegrityRequirement-12]
-	_ = x[v2AvailabilityRequirement-13]
-	_ = x[v2InvalidKey-14]
-}
-
-const _v2Key_name = "AVACAuCIAERLRCCDPTDCRIRARinvalid"
-
-var _v2Key_index = [...]uint8{0, 2, 4, 6, 7, 8, 9, 10, 12, 14, 17, 19, 21, 23, 25, 32}
-
-func (i v2Key) String() string {
-	if i >= v2Key(len(_v2Key_index)-1) {
-		return "v2Key(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _v2Key_name[_v2Key_index[i]:_v2Key_index[i+1]]
-}
diff --git a/internal/cvss/v2key_test.go b/internal/cvss/v2key_test.go
deleted file mode 100644
index a54f4e7..0000000
--- a/internal/cvss/v2key_test.go
+++ /dev/null
@@ -1,116 +0,0 @@
-package cvss
-
-import "testing"
-
-func TestV2KeyString(t *testing.T) {
-  tests := []struct {
-    key v2Key
-    exp string
-  } {
-    { v2AccessVector, "AV" },
-    { v2AccessComplexity, "AC" },
-    { v2Authentication, "Au" },
-    { v2ConfidentialityImpact, "C" },
-    { v2IntegrityImpact, "I" },
-    { v2AvailabilityImpact, "A" },
-    { v2Exploitability, "E" },
-    { v2RemediationLevel, "RL" },
-    { v2ReportConfidence, "RC" },
-    { v2CollateralDamagePotential, "CDP" },
-    { v2TargetDistribution, "TD" },
-    { v2ConfidentialityRequirement, "CR" },
-    { v2IntegrityRequirement, "IR" },
-    { v2AvailabilityRequirement, "AR" },
-
-    { v2Key(255), "v2Key(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.key.String()
-      if got != test.exp {
-        t.Errorf("got: \"%s\", exp: \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV2KeyName(t *testing.T) {
-  tests := []struct {
-    key v2Key
-    exp string
-  } {
-    { v2AccessVector, "Access Vector" },
-    { v2AccessComplexity, "Access Complexity" },
-    { v2Authentication, "Authentication" },
-    { v2ConfidentialityImpact, "Confidentiality Impact" },
-    { v2IntegrityImpact, "Integrity Impact" },
-    { v2AvailabilityImpact, "Availability Impact" },
-    { v2Exploitability, "Exploitability" },
-    { v2RemediationLevel, "Remediation Level" },
-    { v2ReportConfidence, "Report Confidence" },
-    { v2CollateralDamagePotential, "Collateral Damage Potential" },
-    { v2TargetDistribution, "Target Distribution" },
-    { v2ConfidentialityRequirement, "Confidentiality Requirement" },
-    { v2IntegrityRequirement, "Integrity Requirement" },
-    { v2AvailabilityRequirement, "Availability Requirement" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.key.Name()
-      if got != test.exp {
-        t.Errorf("got: \"%s\", exp: \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV2KeyCategory(t *testing.T) {
-  tests := []struct {
-    key v2Key
-    exp Category
-  } {
-    { v2AccessVector, Base },
-    { v2AccessComplexity, Base },
-    { v2Authentication, Base },
-    { v2ConfidentialityImpact, Base },
-    { v2IntegrityImpact, Base },
-    { v2AvailabilityImpact, Base },
-    { v2Exploitability, Temporal },
-    { v2RemediationLevel, Temporal },
-    { v2ReportConfidence, Temporal },
-    { v2CollateralDamagePotential, Environmental },
-    { v2TargetDistribution, Environmental},
-    { v2ConfidentialityRequirement, Environmental},
-    { v2IntegrityRequirement, Environmental},
-    { v2AvailabilityRequirement, Environmental},
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.key.String(), func(t *testing.T) {
-      got := test.key.Category()
-      if got != test.exp {
-        t.Errorf("got: \"%s\", exp: \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestInvalidV2KeyName(t *testing.T) {
-  exp := "invalid"
-  got := v2Key(255).Name()
-
-  if got != exp {
-    t.Errorf("got: \"%s\", exp: \"%s\"", got, exp)
-  }
-}
-
-func TestInvalidV2KeyCategory(t *testing.T) {
-  exp := InvalidCategory
-  got := v2Key(255).Category()
-
-  if got != exp {
-    t.Errorf("got: \"%s\", exp: \"%s\"", got, exp)
-  }
-}
diff --git a/internal/cvss/v2metric.go b/internal/cvss/v2metric.go
deleted file mode 100644
index 2dee41a..0000000
--- a/internal/cvss/v2metric.go
+++ /dev/null
@@ -1,244 +0,0 @@
-package cvss
-
-//go:generate stringer -linecomment -type=v2Metric
-
-// CVSS v2 metric value
-type v2Metric byte
-
-const (
-  v2AVNetwork v2Metric = iota // AV:N
-  v2AVAdjacentNetwork // AV:A
-  v2AVLocal // AV:L
-
-  v2ACLow // AC:L
-  v2ACMedium // AC:M
-  v2ACHigh // AC:H
-
-  v2AuMultiple // Au:M
-  v2AuSingle // Au:S
-  v2AuNone // Au:N
-
-  v2CNone // C:N
-  v2CPartial // C:P
-  v2CComplete // C:C
-
-  v2INone // I:N
-  v2IPartial // I:P
-  v2IComplete // I:C
-
-  v2ANone // A:N
-  v2APartial // A:P
-  v2AComplete // A:C
-
-  v2ENotDefined // E:ND
-  v2EUnproven // E:U
-  v2EProofOfConcept // E:POC
-  v2EFunctional // E:F
-  v2EHigh // E:H
-
-  v2RLOfficialFix // RL:OF
-  v2RLTemporaryFix // RL:TF
-  v2RLWorkaround // RL:W
-  v2RLUnavailable // RL:U
-  v2RLNotDefined // RL:ND
-
-  v2RCUnconfirmed // RC:UC
-  v2RCUncorroborated // RC:UR
-  v2RCConfirmed // RC:C
-  v2RCNotDefined // RC:ND
-
-  v2CDPNone // CDP:N
-  v2CDPLow // CDP:L
-  v2CDPLowMedium // CDP:LM
-  v2CDPMediumHigh // CDP:MH
-  v2CDPHigh // CDP:H
-  v2CDPNotDefined // CDP:ND
-
-  v2TDNone // TD:N
-  v2TDLow // TD:L
-  v2TDMedium // TD:M
-  v2TDHigh // TD:H
-  v2TDNotDefined // TD:ND
-
-  v2CRLow // CR:L
-  v2CRMedium // CR:M
-  v2CRHigh // CR:H
-  v2CRNotDefined // CR:ND
-
-  v2IRLow // IR:L
-  v2IRMedium // IR:M
-  v2IRHigh // IR:H
-  v2IRNotDefined // IR:ND
-
-  v2ARLow // AR:L
-  v2ARMedium // AR:M
-  v2ARHigh // AR:H
-  v2ARNotDefined // AR:ND
-
-  v2InvalidMetric // invalid
-)
-
-// map of metrics to metric keys
-var v2KeyLut = map[v2Metric]v2Key {
-  v2AVNetwork: v2AccessVector,
-  v2AVAdjacentNetwork: v2AccessVector,
-  v2AVLocal: v2AccessVector,
-
-  v2ACLow: v2AccessComplexity,
-  v2ACMedium: v2AccessComplexity,
-  v2ACHigh: v2AccessComplexity,
-
-  v2AuMultiple: v2Authentication,
-  v2AuSingle: v2Authentication,
-  v2AuNone: v2Authentication,
-
-  v2CNone: v2ConfidentialityImpact,
-  v2CPartial: v2ConfidentialityImpact,
-  v2CComplete: v2ConfidentialityImpact,
-
-  v2INone: v2IntegrityImpact,
-  v2IPartial: v2IntegrityImpact,
-  v2IComplete: v2IntegrityImpact,
-
-  v2ANone: v2AvailabilityImpact,
-  v2APartial: v2AvailabilityImpact,
-  v2AComplete: v2AvailabilityImpact,
-
-  v2ENotDefined: v2Exploitability,
-  v2EUnproven: v2Exploitability,
-  v2EProofOfConcept: v2Exploitability,
-  v2EFunctional: v2Exploitability,
-  v2EHigh: v2Exploitability,
-
-  v2RLOfficialFix: v2RemediationLevel,
-  v2RLTemporaryFix: v2RemediationLevel,
-  v2RLWorkaround: v2RemediationLevel,
-  v2RLUnavailable: v2RemediationLevel,
-  v2RLNotDefined: v2RemediationLevel,
-
-  v2RCUnconfirmed: v2ReportConfidence,
-  v2RCUncorroborated: v2ReportConfidence,
-  v2RCConfirmed: v2ReportConfidence,
-  v2RCNotDefined: v2ReportConfidence,
-
-  v2CDPNone: v2CollateralDamagePotential,
-  v2CDPLow: v2CollateralDamagePotential,
-  v2CDPLowMedium: v2CollateralDamagePotential,
-  v2CDPMediumHigh: v2CollateralDamagePotential,
-  v2CDPHigh: v2CollateralDamagePotential,
-  v2CDPNotDefined: v2CollateralDamagePotential,
-
-  v2TDNone: v2TargetDistribution,
-  v2TDLow: v2TargetDistribution,
-  v2TDMedium: v2TargetDistribution,
-  v2TDHigh: v2TargetDistribution,
-  v2TDNotDefined: v2TargetDistribution,
-
-  v2CRLow: v2ConfidentialityRequirement,
-  v2CRMedium: v2ConfidentialityRequirement,
-  v2CRHigh: v2ConfidentialityRequirement,
-  v2CRNotDefined: v2ConfidentialityRequirement,
-
-  v2IRLow: v2IntegrityRequirement,
-  v2IRMedium: v2IntegrityRequirement,
-  v2IRHigh: v2IntegrityRequirement,
-  v2IRNotDefined: v2IntegrityRequirement,
-
-  v2ARLow: v2AvailabilityRequirement,
-  v2ARMedium: v2AvailabilityRequirement,
-  v2ARHigh: v2AvailabilityRequirement,
-  v2ARNotDefined: v2AvailabilityRequirement,
-}
-
-// map of metric strings to metrics
-var v2MetricStrLut = map[string]v2Metric {
-  "AV:N": v2AVNetwork,
-  "AV:A": v2AVAdjacentNetwork,
-  "AV:L": v2AVLocal,
-
-  "AC:L": v2ACLow,
-  "AC:M": v2ACMedium,
-  "AC:H": v2ACHigh,
-
-  "Au:M": v2AuMultiple,
-  "Au:S": v2AuSingle,
-  "Au:N": v2AuNone,
-
-  "C:N": v2CNone,
-  "C:P": v2CPartial,
-  "C:C": v2CComplete,
-
-  "I:N": v2INone,
-  "I:P": v2IPartial,
-  "I:C": v2IComplete,
-
-  "A:N": v2ANone,
-  "A:P": v2APartial,
-  "A:C": v2AComplete,
-
-  "E:ND": v2ENotDefined,
-  "E:U": v2EUnproven,
-  "E:POC": v2EProofOfConcept,
-  "E:F": v2EFunctional,
-  "E:H": v2EHigh,
-
-  "RL:OF": v2RLOfficialFix,
-  "RL:TF": v2RLTemporaryFix,
-  "RL:W": v2RLWorkaround,
-  "RL:U": v2RLUnavailable,
-  "RL:ND": v2RLNotDefined,
-
-  "RC:UC": v2RCUnconfirmed,
-  "RC:UR": v2RCUncorroborated,
-  "RC:C": v2RCConfirmed,
-  "RC:ND": v2RCNotDefined,
-
-  "CDP:N": v2CDPNone,
-  "CDP:L": v2CDPLow,
-  "CDP:LM": v2CDPLowMedium,
-  "CDP:MH": v2CDPMediumHigh,
-  "CDP:H": v2CDPHigh,
-  "CDP:ND": v2CDPNotDefined,
-
-  "TD:N": v2TDNone,
-  "TD:L": v2TDLow,
-  "TD:M": v2TDMedium,
-  "TD:H": v2TDHigh,
-  "TD:ND": v2TDNotDefined,
-
-  "CR:L": v2CRLow,
-  "CR:M": v2CRMedium,
-  "CR:H": v2CRHigh,
-  "CR:ND": v2CRNotDefined,
-
-  "IR:L": v2IRLow,
-  "IR:M": v2IRMedium,
-  "IR:H": v2IRHigh,
-  "IR:ND": v2IRNotDefined,
-
-  "AR:L": v2ARLow,
-  "AR:M": v2ARMedium,
-  "AR:H": v2ARHigh,
-  "AR:ND": v2ARNotDefined,
-}
-
-// Convert string to CVSS 2.0 metric.
-func getV2Metric(s string) (v2Metric, error) {
-  // get metric
-  m, ok := v2MetricStrLut[s]
-  if !ok {
-    return v2InvalidMetric, newBadMetric(V20, s)
-  }
-
-  // return success
-  return m, nil
-}
-
-// Get CVSS 2.0 metric key.
-func (m v2Metric) Key() Key {
-  if k, ok := v2KeyLut[m]; ok {
-    return k
-  } else {
-    return v2InvalidKey
-  }
-}
diff --git a/internal/cvss/v2metric_string.go b/internal/cvss/v2metric_string.go
deleted file mode 100644
index 6ad2f93..0000000
--- a/internal/cvss/v2metric_string.go
+++ /dev/null
@@ -1,78 +0,0 @@
-// Code generated by "stringer -linecomment -type=v2Metric"; DO NOT EDIT.
-
-package cvss
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[v2AVNetwork-0]
-	_ = x[v2AVAdjacentNetwork-1]
-	_ = x[v2AVLocal-2]
-	_ = x[v2ACLow-3]
-	_ = x[v2ACMedium-4]
-	_ = x[v2ACHigh-5]
-	_ = x[v2AuMultiple-6]
-	_ = x[v2AuSingle-7]
-	_ = x[v2AuNone-8]
-	_ = x[v2CNone-9]
-	_ = x[v2CPartial-10]
-	_ = x[v2CComplete-11]
-	_ = x[v2INone-12]
-	_ = x[v2IPartial-13]
-	_ = x[v2IComplete-14]
-	_ = x[v2ANone-15]
-	_ = x[v2APartial-16]
-	_ = x[v2AComplete-17]
-	_ = x[v2ENotDefined-18]
-	_ = x[v2EUnproven-19]
-	_ = x[v2EProofOfConcept-20]
-	_ = x[v2EFunctional-21]
-	_ = x[v2EHigh-22]
-	_ = x[v2RLOfficialFix-23]
-	_ = x[v2RLTemporaryFix-24]
-	_ = x[v2RLWorkaround-25]
-	_ = x[v2RLUnavailable-26]
-	_ = x[v2RLNotDefined-27]
-	_ = x[v2RCUnconfirmed-28]
-	_ = x[v2RCUncorroborated-29]
-	_ = x[v2RCConfirmed-30]
-	_ = x[v2RCNotDefined-31]
-	_ = x[v2CDPNone-32]
-	_ = x[v2CDPLow-33]
-	_ = x[v2CDPLowMedium-34]
-	_ = x[v2CDPMediumHigh-35]
-	_ = x[v2CDPHigh-36]
-	_ = x[v2CDPNotDefined-37]
-	_ = x[v2TDNone-38]
-	_ = x[v2TDLow-39]
-	_ = x[v2TDMedium-40]
-	_ = x[v2TDHigh-41]
-	_ = x[v2TDNotDefined-42]
-	_ = x[v2CRLow-43]
-	_ = x[v2CRMedium-44]
-	_ = x[v2CRHigh-45]
-	_ = x[v2CRNotDefined-46]
-	_ = x[v2IRLow-47]
-	_ = x[v2IRMedium-48]
-	_ = x[v2IRHigh-49]
-	_ = x[v2IRNotDefined-50]
-	_ = x[v2ARLow-51]
-	_ = x[v2ARMedium-52]
-	_ = x[v2ARHigh-53]
-	_ = x[v2ARNotDefined-54]
-	_ = x[v2InvalidMetric-55]
-}
-
-const _v2Metric_name = "AV:NAV:AAV:LAC:LAC:MAC:HAu:MAu:SAu:NC:NC:PC:CI:NI:PI:CA:NA:PA:CE:NDE:UE:POCE:FE:HRL:OFRL:TFRL:WRL:URL:NDRC:UCRC:URRC:CRC:NDCDP:NCDP:LCDP:LMCDP:MHCDP:HCDP:NDTD:NTD:LTD:MTD:HTD:NDCR:LCR:MCR:HCR:NDIR:LIR:MIR:HIR:NDAR:LAR:MAR:HAR:NDinvalid"
-
-var _v2Metric_index = [...]uint8{0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 67, 70, 75, 78, 81, 86, 91, 95, 99, 104, 109, 114, 118, 123, 128, 133, 139, 145, 150, 156, 160, 164, 168, 172, 177, 181, 185, 189, 194, 198, 202, 206, 211, 215, 219, 223, 228, 235}
-
-func (i v2Metric) String() string {
-	if i >= v2Metric(len(_v2Metric_index)-1) {
-		return "v2Metric(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _v2Metric_name[_v2Metric_index[i]:_v2Metric_index[i+1]]
-}
diff --git a/internal/cvss/v2metric_test.go b/internal/cvss/v2metric_test.go
deleted file mode 100644
index f606ed5..0000000
--- a/internal/cvss/v2metric_test.go
+++ /dev/null
@@ -1,276 +0,0 @@
-package cvss
-
-import "testing"
-
-func TestGetV2Metric(t *testing.T) {
-  tests := []struct {
-    val string
-    exp v2Metric
-    ok  bool
-  } {
-    { "AV:N", v2AVNetwork, true },
-    { "AV:A", v2AVAdjacentNetwork, true },
-    { "AV:L", v2AVLocal, true },
-
-    { "AC:L", v2ACLow, true },
-    { "AC:M", v2ACMedium, true },
-    { "AC:H", v2ACHigh, true },
-
-    { "Au:M", v2AuMultiple, true },
-    { "Au:S", v2AuSingle, true },
-    { "Au:N", v2AuNone, true },
-
-    { "C:N", v2CNone, true },
-    { "C:P", v2CPartial, true },
-    { "C:C", v2CComplete, true },
-
-    { "I:N", v2INone, true },
-    { "I:P", v2IPartial, true },
-    { "I:C", v2IComplete, true },
-
-    { "A:N", v2ANone, true },
-    { "A:P", v2APartial, true },
-    { "A:C", v2AComplete, true },
-
-    { "E:ND", v2ENotDefined, true },
-    { "E:U", v2EUnproven, true },
-    { "E:POC", v2EProofOfConcept, true },
-    { "E:F", v2EFunctional, true },
-    { "E:H", v2EHigh, true },
-
-    { "RL:OF", v2RLOfficialFix, true },
-    { "RL:TF", v2RLTemporaryFix, true },
-    { "RL:W", v2RLWorkaround, true },
-    { "RL:U", v2RLUnavailable, true },
-    { "RL:ND", v2RLNotDefined, true },
-
-    { "RC:UC", v2RCUnconfirmed, true },
-    { "RC:UR", v2RCUncorroborated, true },
-    { "RC:C", v2RCConfirmed, true },
-    { "RC:ND", v2RCNotDefined, true },
-
-    { "CDP:N", v2CDPNone, true },
-    { "CDP:L", v2CDPLow, true },
-    { "CDP:LM", v2CDPLowMedium, true },
-    { "CDP:MH", v2CDPMediumHigh, true },
-    { "CDP:H", v2CDPHigh, true },
-    { "CDP:ND", v2CDPNotDefined, true },
-
-    { "TD:N", v2TDNone, true },
-    { "TD:L", v2TDLow, true },
-    { "TD:M", v2TDMedium, true },
-    { "TD:H", v2TDHigh, true },
-    { "TD:ND", v2TDNotDefined, true },
-
-    { "CR:L", v2CRLow, true },
-    { "CR:M", v2CRMedium, true },
-    { "CR:H", v2CRHigh, true },
-    { "CR:ND", v2CRNotDefined, true },
-
-    { "IR:L", v2IRLow, true },
-    { "IR:M", v2IRMedium, true },
-    { "IR:H", v2IRHigh, true },
-    { "IR:ND", v2IRNotDefined, true },
-
-    { "AR:L", v2ARLow, true },
-    { "AR:M", v2ARMedium, true },
-    { "AR:H", v2ARHigh, true },
-    { "AR:ND", v2ARNotDefined, true },
-
-    { "asdf", v2InvalidMetric, false },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      got, err := getV2Metric(test.val)
-      if test.ok && err == nil && got != test.exp {
-        t.Errorf("got: \"%s\", exp: \"%s\"", got, test.exp)
-      } else if test.ok && err != nil {
-        t.Error(err)
-      } else if !test.ok && err == nil {
-        t.Errorf("got: \"%s\", exp: error", got)
-      }
-    })
-  }
-}
-
-func TestGetV2MetricKey(t *testing.T) {
-  tests := []struct {
-    val v2Metric
-    exp v2Key
-  } {
-    { v2AVNetwork, v2AccessVector },
-    { v2AVAdjacentNetwork, v2AccessVector },
-    { v2AVLocal, v2AccessVector },
-
-    { v2ACLow, v2AccessComplexity },
-    { v2ACMedium, v2AccessComplexity },
-    { v2ACHigh, v2AccessComplexity },
-
-    { v2AuMultiple, v2Authentication },
-    { v2AuSingle, v2Authentication },
-    { v2AuNone, v2Authentication },
-
-    { v2CNone, v2ConfidentialityImpact },
-    { v2CPartial, v2ConfidentialityImpact },
-    { v2CComplete, v2ConfidentialityImpact },
-
-    { v2INone, v2IntegrityImpact },
-    { v2IPartial, v2IntegrityImpact },
-    { v2IComplete, v2IntegrityImpact },
-
-    { v2ANone, v2AvailabilityImpact },
-    { v2APartial, v2AvailabilityImpact },
-    { v2AComplete, v2AvailabilityImpact },
-
-    { v2ENotDefined, v2Exploitability },
-    { v2EUnproven, v2Exploitability },
-    { v2EProofOfConcept, v2Exploitability },
-    { v2EFunctional, v2Exploitability },
-    { v2EHigh, v2Exploitability },
-
-    { v2RLOfficialFix, v2RemediationLevel },
-    { v2RLTemporaryFix, v2RemediationLevel },
-    { v2RLWorkaround, v2RemediationLevel },
-    { v2RLUnavailable, v2RemediationLevel },
-    { v2RLNotDefined, v2RemediationLevel },
-
-    { v2RCUnconfirmed, v2ReportConfidence },
-    { v2RCUncorroborated, v2ReportConfidence },
-    { v2RCConfirmed, v2ReportConfidence },
-    { v2RCNotDefined, v2ReportConfidence },
-
-    { v2CDPNone, v2CollateralDamagePotential },
-    { v2CDPLow, v2CollateralDamagePotential },
-    { v2CDPLowMedium, v2CollateralDamagePotential },
-    { v2CDPMediumHigh, v2CollateralDamagePotential },
-    { v2CDPHigh, v2CollateralDamagePotential },
-    { v2CDPNotDefined, v2CollateralDamagePotential },
-
-    { v2TDNone, v2TargetDistribution },
-    { v2TDLow, v2TargetDistribution },
-    { v2TDMedium, v2TargetDistribution },
-    { v2TDHigh, v2TargetDistribution },
-    { v2TDNotDefined, v2TargetDistribution },
-
-    { v2CRLow, v2ConfidentialityRequirement },
-    { v2CRMedium, v2ConfidentialityRequirement },
-    { v2CRHigh, v2ConfidentialityRequirement },
-    { v2CRNotDefined, v2ConfidentialityRequirement },
-
-    { v2IRLow, v2IntegrityRequirement },
-    { v2IRMedium, v2IntegrityRequirement },
-    { v2IRHigh, v2IntegrityRequirement },
-    { v2IRNotDefined, v2IntegrityRequirement },
-
-    { v2ARLow, v2AvailabilityRequirement },
-    { v2ARMedium, v2AvailabilityRequirement },
-    { v2ARHigh, v2AvailabilityRequirement },
-    { v2ARNotDefined, v2AvailabilityRequirement },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val.String(), func(t *testing.T) {
-      got := test.val.Key()
-      if got != test.exp {
-        t.Errorf("got: \"%s\", exp: \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV2MetricString(t *testing.T) {
-  tests := []struct {
-    val v2Metric
-    exp string
-  } {
-    { v2AVNetwork, "AV:N" },
-    { v2AVAdjacentNetwork, "AV:A" },
-    { v2AVLocal, "AV:L" },
-
-    { v2ACLow, "AC:L" },
-    { v2ACMedium, "AC:M" },
-    { v2ACHigh, "AC:H" },
-
-    { v2AuMultiple, "Au:M" },
-    { v2AuSingle, "Au:S" },
-    { v2AuNone, "Au:N" },
-
-    { v2CNone, "C:N" },
-    { v2CPartial, "C:P" },
-    { v2CComplete, "C:C" },
-
-    { v2INone, "I:N" },
-    { v2IPartial, "I:P" },
-    { v2IComplete, "I:C" },
-
-    { v2ANone, "A:N" },
-    { v2APartial, "A:P" },
-    { v2AComplete, "A:C" },
-
-    { v2ENotDefined, "E:ND" },
-    { v2EUnproven, "E:U" },
-    { v2EProofOfConcept, "E:POC" },
-    { v2EFunctional, "E:F" },
-    { v2EHigh, "E:H" },
-
-    { v2RLOfficialFix, "RL:OF" },
-    { v2RLTemporaryFix, "RL:TF" },
-    { v2RLWorkaround, "RL:W" },
-    { v2RLUnavailable, "RL:U" },
-    { v2RLNotDefined, "RL:ND" },
-
-    { v2RCUnconfirmed, "RC:UC" },
-    { v2RCUncorroborated, "RC:UR" },
-    { v2RCConfirmed, "RC:C" },
-    { v2RCNotDefined, "RC:ND" },
-
-    { v2CDPNone, "CDP:N" },
-    { v2CDPLow, "CDP:L" },
-    { v2CDPLowMedium, "CDP:LM" },
-    { v2CDPMediumHigh, "CDP:MH" },
-    { v2CDPHigh, "CDP:H" },
-    { v2CDPNotDefined, "CDP:ND" },
-
-    { v2TDNone, "TD:N" },
-    { v2TDLow, "TD:L" },
-    { v2TDMedium, "TD:M" },
-    { v2TDHigh, "TD:H" },
-    { v2TDNotDefined, "TD:ND" },
-
-    { v2CRLow, "CR:L" },
-    { v2CRMedium, "CR:M" },
-    { v2CRHigh, "CR:H" },
-    { v2CRNotDefined, "CR:ND" },
-
-    { v2IRLow, "IR:L" },
-    { v2IRMedium, "IR:M" },
-    { v2IRHigh, "IR:H" },
-    { v2IRNotDefined, "IR:ND" },
-
-    { v2ARLow, "AR:L" },
-    { v2ARMedium, "AR:M" },
-    { v2ARHigh, "AR:H" },
-    { v2ARNotDefined, "AR:ND" },
-
-    { v2Metric(255), "v2Metric(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val.String(), func(t *testing.T) {
-      got := test.val.String()
-      if got != test.exp {
-        t.Errorf("got: \"%s\", exp: \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestInvalidV2MetricKey(t *testing.T) {
-  got := v2Metric(255).Key()
-  exp := v2InvalidKey
-
-  if got != exp {
-    t.Errorf("got: \"%s\", exp: \"%s\"", got, exp)
-  }
-}
diff --git a/internal/cvss/v2vector.go b/internal/cvss/v2vector.go
deleted file mode 100644
index b1fca1f..0000000
--- a/internal/cvss/v2vector.go
+++ /dev/null
@@ -1,108 +0,0 @@
-package cvss
-
-import (
-  // "encoding/json"
-  "regexp"
-  "strings"
-)
-
-// CVSS 2.0 vector.
-type v2Vector []v2Metric
-
-// Convert vector to string.
-func (v v2Vector) String() string {
-  // convert to slice of metrics
-  metrics := []v2Metric(v)
-
-  // build vector
-  r := make([]string, len(metrics))
-  for i, m := range(metrics) {
-    r[i] = m.String()
-  }
-
-  // build and return string
-  return strings.Join(r, "/")
-}
-
-// Return CVSS version.
-func (v2Vector) Version() Version {
-  return V20
-}
-
-// Return metrics in this vector.
-func (v v2Vector) Metrics() []Metric {
-  // build result
-  r := make([]Metric, len(v))
-  for i, m := range(v) {
-    r[i] = m
-  }
-
-  // return result
-  return r
-}
-
-// Create CVSS 2.0 vector from string.
-func newV2Vector(s string) (v2Vector, error) {
-  strs := strings.Split(s, "/")
-  r := make([]v2Metric, len(strs))
-
-  // walk metric strings
-  for i, ms := range(strs) {
-    // convert string to vector
-    m, err := getV2Metric(ms)
-    if err != nil {
-      return nil, err
-    }
-
-    // add to results
-    r[i] = m
-  }
-
-  // build and return vector
-  return v2Vector(r), nil
-}
-
-// // Unmarshal CVSS 2.0 vector from JSON string.
-// func (me *v2Vector) UnmarshalJSON(b []byte) error {
-//   // decode string, check for error
-//   var s string
-//   if err := json.Unmarshal(b, &s); err != nil {
-//     return err
-//   }
-// 
-//   // parse vector, check for error
-//   r, err := newV2Vector(s)
-//   if err != nil {
-//     // return error
-//     return err
-//   }
-// 
-//   // save result, return success
-//   *me = r
-//   return nil
-// }
-
-var v2MetricRe = "(?:" + strings.Join([]string {
-  "(?:AV:[NAL])",
-  "(?:AC:[LMH])",
-  "(?:Au:[MSN])",
-  "(?:C:[NPC])",
-  "(?:I:[NPC])",
-  "(?:A:[NPC])",
-  "(?:E:(?:ND|U|POC|F|H))",
-  "(?:RL:(?:OF|TF|W|U|ND))",
-  "(?:RC:(?:UC|UR|C|ND))",
-  "(?:CDP:(?:N|L|LM|MH|H|ND))",
-  "(?:TD:(?:N|L|M|H|ND))",
-  "(?:CR:(?:L|M|H|ND))",
-  "(?:IR:(?:L|M|H|ND))",
-}, "|") + ")"
-
-var v2VecRe = regexp.MustCompile(
-  "\\A" + v2MetricRe + "(?:/" + v2MetricRe + ")*\\z",
-)
-
-// Is the given string a CVSS v2 vector string?
-func isV2VectorString(s string) bool {
-  return len(s) > 0 && v2VecRe.MatchString(s)
-}
diff --git a/internal/cvss/v2vector_test.go b/internal/cvss/v2vector_test.go
deleted file mode 100644
index f297ba6..0000000
--- a/internal/cvss/v2vector_test.go
+++ /dev/null
@@ -1,69 +0,0 @@
-package cvss
-
-import (
-  "testing"
-)
-
-func TestNewV2Vector(t *testing.T) {
-  passTests := []struct {
-    val string
-    exp []string
-  } {
-    {
-      val: "AV:L/AC:L/Au:N/C:N/I:N/A:P",
-      exp: []string { "AV:L", "AC:L", "Au:N", "C:N", "I:N", "A:P" },
-    },
-  }
-
-  for _, test := range(passTests) {
-    t.Run(test.val, func(t *testing.T) {
-      // parse vector
-      vec, err := newV2Vector(test.val)
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      // check version
-      if vec.Version() != V20 {
-        t.Errorf("got %s, exp %s", vec.Version(), V20)
-        return
-      }
-
-      // check metric length
-      if len(vec.Metrics()) != len(test.exp) {
-        t.Errorf("got %d, exp %d", len(vec.Metrics()), len(test.exp))
-        return
-      }
-
-      // check metrics
-      for i, m := range(vec.Metrics()) {
-        got := m.String()
-        if got != test.exp[i] {
-          t.Errorf("got %s, exp %s", got, test.exp[i])
-        }
-      }
-    })
-  }
-
-  failTests := []struct {
-    val string
-    exp string
-  } {
-    {
-      val: "AV:L/junk/Au:N/C:N/I:N/A:P",
-      exp: "invalid CVSS 2.0 metric: junk",
-    },
-  }
-
-  for _, test := range(failTests) {
-    t.Run(test.val, func(t *testing.T) {
-      got, err := newV2Vector(test.val)
-      if err != nil && err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      } else if err == nil {
-        t.Errorf("got \"%s\", exp badMetric", got)
-      }
-    })
-  }
-}
diff --git a/internal/cvss/v30vector.go b/internal/cvss/v30vector.go
deleted file mode 100644
index 5ef1ae8..0000000
--- a/internal/cvss/v30vector.go
+++ /dev/null
@@ -1,119 +0,0 @@
-package cvss
-
-import (
-  // "encoding/json"
-  "regexp"
-  "strings"
-)
-
-// CVSS v3.0 prefix
-var v30Prefix = "CVSS:3.0/"
-
-// CVSS 3.0 vector.
-type v30Vector []v3Metric
-
-// Convert vector to string
-func (v v30Vector) String() string {
-  // convert to slice of metrics
-  metrics := []v3Metric(v)
-
-  // build vector
-  r := make([]string, len(metrics))
-  for i, m := range(metrics) {
-    r[i] = m.String()
-  }
-
-  // build and return string
-  return v30Prefix + strings.Join(r, "/")
-}
-
-// Return CVSS version.
-func (v30Vector) Version() Version {
-  return V30
-}
-
-// Return metrics in this vector.
-func (v v30Vector) Metrics() []Metric {
-  // build result
-  r := make([]Metric, len(v))
-  for i, m := range(v) {
-    r[i] = m
-  }
-
-  // return result
-  return r
-}
-
-// Create CVSS 3.0 vector from string.
-func newV30Vector(s string) (v30Vector, error) {
-  // strip version prefix, split into metric strings
-  strs := strings.Split(s[len(v30Prefix):], "/")
-  r := make([]v3Metric, len(strs))
-
-  // build results
-  for i, ms := range(strs) {
-    // get metric from string
-    m, err := getV3Metric(V30, ms)
-    if err != nil {
-      return nil, err
-    }
-
-    r[i] = m
-  }
-
-  // return result
-  return v30Vector(r), nil
-}
-
-// // Unmarshal CVSS 3.0 vector from JSON string.
-// func (me *v30Vector) UnmarshalJSON(b []byte) error {
-//   // decode string, check for error
-//   var s string
-//   if err := json.Unmarshal(b, &s); err != nil {
-//     return err
-//   }
-// 
-//   // parse vector, check for error
-//   r, err := newV30Vector(s)
-//   if err != nil {
-//     return err
-//   }
-// 
-//   // save result, return success
-//   *me = r
-//   return nil
-// }
-
-var v30VecRe = regexp.MustCompile(
-  "\\ACVSS:3\\.0(?:/(?:" + strings.Join([]string {
-    "(?:AV:[NALP])",
-    "(?:AC:[LH])",
-    "(?:PR:[NLH])",
-    "(?:UI:[NR])",
-    "(?:S:[UC])",
-    "(?:C:[HLN])",
-    "(?:I:[HLN])",
-    "(?:A:[HLN])",
-    "(?:E:[XHFPU])",
-    "(?:RL:[XUWTO])",
-    "(?:RC:[XCRU])",
-    "(?:CR:[XHML])",
-    "(?:IR:[XHML])",
-    "(?:AR:[XHML])",
-    "(?:MAV:[XNALP])",
-    "(?:MAC:[XLH])",
-    "(?:MPR:[XNLH])",
-    "(?:MUI:[XNR])",
-    "(?:MS:[XUC])",
-    "(?:MC:[XNLH])",
-    "(?:MI:[XNLH])",
-    "(?:MA:[XNLH])",
-  }, "|") + "))+\\z",
-)
-
-// Is the given string a CVSSv3.1 vector string?
-func isV30VectorString(s string) bool {
-  return (len(s) > len(v30Prefix)) &&
-         (s[:len(v30Prefix)] == v30Prefix) &&
-         v30VecRe.MatchString(s)
-}
diff --git a/internal/cvss/v30vector_test.go b/internal/cvss/v30vector_test.go
deleted file mode 100644
index 1d44d35..0000000
--- a/internal/cvss/v30vector_test.go
+++ /dev/null
@@ -1,69 +0,0 @@
-package cvss
-
-import (
-  "testing"
-)
-
-func TestNewV30Vector(t *testing.T) {
-  passTests := []struct {
-    val string
-    exp []string
-  } {
-    {
-      val: "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
-      exp: []string { "AV:L", "AC:H", "PR:L", "UI:N", "S:U", "C:H", "I:N", "A:N" },
-    },
-  }
-
-  for _, test := range(passTests) {
-    t.Run(test.val, func(t *testing.T) {
-      // parse vector
-      vec, err := newV30Vector(test.val)
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      // check version
-      if vec.Version() != V30 {
-        t.Errorf("got %s, exp %s", vec.Version(), V30)
-        return
-      }
-
-      // check metric length
-      if len(vec.Metrics()) != len(test.exp) {
-        t.Errorf("got %d, exp %d", len(vec.Metrics()), len(test.exp))
-        return
-      }
-
-      // check metrics
-      for i, m := range(vec.Metrics()) {
-        got := m.String()
-        if got != test.exp[i] {
-          t.Errorf("got %s, exp %s", got, test.exp[i])
-        }
-      }
-    })
-  }
-
-  failTests := []struct {
-    val string
-    exp string
-  } {
-    {
-      val: "CVSS:3.0/AV:L/junk/PR:L/UI:N/S:U/C:H/I:N/A:N",
-      exp: "invalid CVSS 3.0 metric: junk",
-    },
-  }
-
-  for _, test := range(failTests) {
-    t.Run(test.val, func(t *testing.T) {
-      got, err := newV30Vector(test.val)
-      if err != nil && err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      } else if err == nil {
-        t.Errorf("got \"%s\", exp badMetric", got)
-      }
-    })
-  }
-}
diff --git a/internal/cvss/v31vector.go b/internal/cvss/v31vector.go
deleted file mode 100644
index f286ea0..0000000
--- a/internal/cvss/v31vector.go
+++ /dev/null
@@ -1,119 +0,0 @@
-package cvss
-
-import (
-  "regexp"
-  "strings"
-)
-
-// CVSS v3.1 prefix
-var v31Prefix = "CVSS:3.1/"
-
-// CVSS 3.1 vector.
-type v31Vector []v3Metric
-
-// Convert vector to string
-func (v v31Vector) String() string {
-  // convert to slice of metrics
-  metrics := []v3Metric(v)
-
-  // build vector
-  r := make([]string, len(metrics))
-  for i, m := range(metrics) {
-    r[i] = m.String()
-  }
-
-  // build and return string
-  return v31Prefix + strings.Join(r, "/")
-}
-
-// Return CVSS version.
-func (v31Vector) Version() Version {
-  return V31
-}
-
-// Return metrics in this vector.
-func (v v31Vector) Metrics() []Metric {
-  // build slice of metrics
-  r := make([]Metric, len(v))
-  for i, m := range(v) {
-    r[i] = m
-  }
-
-  // return result
-  return r
-}
-
-// create CVSS 3.1 vector from string.
-func newV31Vector(s string) (v31Vector, error) {
-  // strip version prefix, split into metric strings
-  strs := strings.Split(s[len(v31Prefix):], "/")
-  r := make([]v3Metric, len(strs))
-
-  // build results
-  for i, ms := range(strs) {
-    // get metric from string
-    m, err := getV3Metric(V31, ms)
-    if err != nil {
-      return nil, err
-    }
-
-    // add to results
-    r[i] = m
-  }
-
-  // return result
-  return v31Vector(r), nil
-}
-
-// // Unmarshal CVSS 3.1 vector from JSON string.
-// func (me *v31Vector) UnmarshalJSON(b []byte) error {
-//   // decode string, check for error
-//   var s string
-//   if err := json.Unmarshal(b, &s); err != nil {
-//     return err
-//   }
-// 
-//   // parse vector, check for error
-//   r, err := newV31Vector(s)
-//   if err != nil {
-//     return err
-//   }
-// 
-//   // save result, return success
-//   *me = r
-//   return nil
-// }
-
-var v31VecRe = regexp.MustCompile(
-  "\\ACVSS:3\\.1(?:/(?:" + strings.Join([]string {
-    "(?:AV:[NALP])",
-    "(?:AC:[LH])",
-    "(?:PR:[NLH])",
-    "(?:UI:[NR])",
-    "(?:S:[UC])",
-    "(?:C:[HLN])",
-    "(?:I:[HLN])",
-    "(?:A:[HLN])",
-    "(?:E:[XHFPU])",
-    "(?:RL:[XUWTO])",
-    "(?:RC:[XCRU])",
-    "(?:CR:[XHML])",
-    "(?:IR:[XHML])",
-    "(?:AR:[XHML])",
-    "(?:MAV:[XNALP])",
-    "(?:MAC:[XLH])",
-    "(?:MPR:[XNLH])",
-    "(?:MUI:[XNR])",
-    "(?:MS:[XUC])",
-    "(?:MC:[XNLH])",
-    "(?:MI:[XNLH])",
-    "(?:MA:[XNLH])",
-  }, "|") + "))+\\z",
-)
-
-// Is the given string a CVSSv3.1 vector string?
-func isV31VectorString(s string) bool {
-  return (len(s) > len(v31Prefix)) &&
-         (s[:len(v31Prefix)] == v31Prefix) &&
-         v31VecRe.MatchString(s)
-}
diff --git a/internal/cvss/v31vector_test.go b/internal/cvss/v31vector_test.go
deleted file mode 100644
index d05edca..0000000
--- a/internal/cvss/v31vector_test.go
+++ /dev/null
@@ -1,561 +0,0 @@
-package cvss
-
-import (
-  "testing"
-)
-
-func TestNewV31Vector(t *testing.T) {
-  passTests := []struct {
-    val string
-    exp []string
-  } {
-    {
-      val: "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
-      exp: []string { "AV:L", "AC:H", "PR:L", "UI:N", "S:U", "C:H", "I:N", "A:N" },
-    },
-  }
-
-  for _, test := range(passTests) {
-    t.Run(test.val, func(t *testing.T) {
-      // parse vector
-      vec, err := newV31Vector(test.val)
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      // check version
-      if vec.Version() != V31 {
-        t.Errorf("got %s, exp %s", vec.Version(), V31)
-        return
-      }
-
-      // check metric length
-      if len(vec.Metrics()) != len(test.exp) {
-        t.Errorf("got %d, exp %d", len(vec.Metrics()), len(test.exp))
-        return
-      }
-
-      // check metrics
-      for i, m := range(vec.Metrics()) {
-        got := m.String()
-        if got != test.exp[i] {
-          t.Errorf("got %s, exp %s", got, test.exp[i])
-        }
-      }
-    })
-  }
-
-  failTests := []struct {
-    val string
-    exp string
-  } {
-    {
-      val: "CVSS:3.1/AV:L/junk/PR:L/UI:N/S:U/C:H/I:N/A:N",
-      exp: "invalid CVSS 3.1 metric: junk",
-    },
-  }
-
-  for _, test := range(failTests) {
-    t.Run(test.val, func(t *testing.T) {
-      got, err := newV31Vector(test.val)
-      if err != nil && err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      } else if err == nil {
-        t.Errorf("got \"%s\", exp badMetric", got)
-      }
-    })
-  }
-}
-
-func TestIsV31VectorString(t *testing.T) {
-  // test non v31 strings
-  passTests := []string {
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
-  }
-
-  for _, test := range(passTests) {
-    t.Run(test, func(t *testing.T) {
-      if !isV31VectorString(test) {
-        t.Error("got false, exp true")
-      }
-    })
-  }
-
-  // test non v31 strings
-  failTests := []string {
-    "AV:N/AC:M/Au:S/C:N/I:P/A:C",
-    "AV:N/AC:M/Au:S/C:N/I:P/A:N",
-    "AV:N/AC:M/Au:S/C:N/I:P/A:P",
-    "AV:N/AC:M/Au:S/C:P/I:N/A:N",
-    "AV:N/AC:M/Au:S/C:P/I:N/A:P",
-    "AV:N/AC:M/Au:S/C:P/I:P/A:C",
-    "AV:N/AC:M/Au:S/C:P/I:P/A:N",
-    "AV:N/AC:M/Au:S/C:P/I:P/A:P",
-
-    "CVSS:3.0/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.0/AV:A/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:L",
-    "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
-  }
-
-  for _, test := range(failTests) {
-    t.Run(test, func(t *testing.T) {
-      if isV31VectorString(test) {
-        t.Error("got true, exp false")
-      }
-    })
-  }
-}
diff --git a/internal/cvss/v3key.go b/internal/cvss/v3key.go
deleted file mode 100644
index 653c2da..0000000
--- a/internal/cvss/v3key.go
+++ /dev/null
@@ -1,116 +0,0 @@
-package cvss
-
-//go:generate stringer -linecomment -type=v3Key
-
-// CVSS v3 metric key
-type v3Key byte
-
-const (
-  v3AttackVector v3Key = iota // AV
-  v3AttackComplexity // AC
-  v3PrivilegesRequired // PR
-  v3UserInteraction // UI
-  v3Scope // S
-  v3Confidentiality // C
-  v3Integrity // I
-  v3Availability // A
-  v3ExploitCodeMaturity // E
-  v3RemediationLevel // RL
-  v3ReportConfidence // RC
-  v3ConfidentialityRequirement // CR
-  v3IntegrityRequirement // IR
-  v3AvailabilityRequirement // AR
-  v3ModifiedAttackVector // MAV
-  v3ModifiedAttackComplexity // MAC
-  v3ModifiedPrivilegesRequired // MPR
-  v3ModifiedUserInteraction // MUI
-  v3ModifiedScope // MS
-  v3ModifiedConfidentiality // MC
-  v3ModifiedIntegrity // MI
-  v3ModifiedAvailability // MA
-
-  v3InvalidKey // invalid
-)
-
-// CVSS v3 metric key info lut
-var v3Keys = map[v3Key]struct {
-  Name string
-  Category Category
-} {
-  v3AttackVector: { "Attack Vector", Base },
-  v3AttackComplexity: { "Attack Complexity", Base },
-  v3PrivilegesRequired: { "Privileges Required", Base },
-  v3UserInteraction: { "User Interaction", Base },
-  v3Scope: { "Scope", Base },
-  v3Confidentiality: { "Confidentiality", Base },
-  v3Integrity: { "Integrity", Base },
-  v3Availability: { "Availability", Base },
-  v3ExploitCodeMaturity: { "Exploit Code Maturity", Temporal },
-  v3RemediationLevel: { "Remediation Level", Temporal },
-  v3ReportConfidence: { "Report Confidence", Temporal },
-  v3ConfidentialityRequirement: { "Confidentiality Requirement", Environmental },
-  v3IntegrityRequirement: { "Integrity Requirement", Environmental },
-  v3AvailabilityRequirement: { "Availability Requirement", Environmental },
-  v3ModifiedAttackVector: { "Modified Attack Vector", Environmental },
-  v3ModifiedAttackComplexity: { "Modified Attack Complexity", Environmental },
-  v3ModifiedPrivilegesRequired: { "Modified Privileges Required", Environmental },
-  v3ModifiedUserInteraction: { "Modified User Interaction", Environmental },
-  v3ModifiedScope: { "Modified Scope", Environmental },
-  v3ModifiedConfidentiality: { "Modified Confidentiality", Environmental },
-  v3ModifiedIntegrity: { "Modified Integrity", Environmental },
-  v3ModifiedAvailability: { "Modified Availability", Environmental },
-}
-
-// // metric key IDs lut
-// var v3KeyIds = map[string]v3Key {
-//   "AV": v3AttackVector,
-//   "AC": v3AttackComplexity,
-//   "PR": v3PrivilegesRequired,
-//   "UI": v3UserInteraction,
-//   "S": v3Scope,
-//   "C": v3Confidentiality,
-//   "I": v3Integrity,
-//   "A": v3Availability,
-//   "E": v3ExploitCodeMaturity,
-//   "RL": v3RemediationLevel,
-//   "RC": v3ReportConfidence,
-//   "CR": v3ConfidentialityRequirement,
-//   "IR": v3IntegrityRequirement,
-//   "AR": v3AvailabilityRequirement,
-//   "MAV": v3ModifiedAttackVector,
-//   "MAC": v3ModifiedAttackComplexity,
-//   "MPR": v3ModifiedPrivilegesRequired,
-//   "MUI": v3ModifiedUserInteraction,
-//   "MS": v3ModifiedScope,
-//   "MC": v3ModifiedConfidentiality,
-//   "MI": v3ModifiedIntegrity,
-//   "MA": v3ModifiedAvailability,
-// }
-// 
-// // Get metric key from string.
-// func getV3KeyFromString(s string) (v3Key, error) {
-//   k, ok := v3KeyIds[s]
-//   if ok {
-//     return k, nil
-//   } else {
-//     return v3InvalidKey, newBadKey(V30, s)
-//   }
-// }
-
-// Get metric key name.
-func (k v3Key) Name() string {
-  if data, ok := v3Keys[k]; ok {
-    return data.Name
-  } else {
-    return "invalid"
-  }
-}
-
-// Get metric key category.
-func (k v3Key) Category() Category {
-  if data, ok := v3Keys[k]; ok {
-    return data.Category
-  } else {
-    return InvalidCategory
-  }
-}
diff --git a/internal/cvss/v3key_string.go b/internal/cvss/v3key_string.go
deleted file mode 100644
index 0644117..0000000
--- a/internal/cvss/v3key_string.go
+++ /dev/null
@@ -1,45 +0,0 @@
-// Code generated by "stringer -linecomment -type=v3Key"; DO NOT EDIT.
-
-package cvss
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[v3AttackVector-0]
-	_ = x[v3AttackComplexity-1]
-	_ = x[v3PrivilegesRequired-2]
-	_ = x[v3UserInteraction-3]
-	_ = x[v3Scope-4]
-	_ = x[v3Confidentiality-5]
-	_ = x[v3Integrity-6]
-	_ = x[v3Availability-7]
-	_ = x[v3ExploitCodeMaturity-8]
-	_ = x[v3RemediationLevel-9]
-	_ = x[v3ReportConfidence-10]
-	_ = x[v3ConfidentialityRequirement-11]
-	_ = x[v3IntegrityRequirement-12]
-	_ = x[v3AvailabilityRequirement-13]
-	_ = x[v3ModifiedAttackVector-14]
-	_ = x[v3ModifiedAttackComplexity-15]
-	_ = x[v3ModifiedPrivilegesRequired-16]
-	_ = x[v3ModifiedUserInteraction-17]
-	_ = x[v3ModifiedScope-18]
-	_ = x[v3ModifiedConfidentiality-19]
-	_ = x[v3ModifiedIntegrity-20]
-	_ = x[v3ModifiedAvailability-21]
-	_ = x[v3InvalidKey-22]
-}
-
-const _v3Key_name = "AVACPRUISCIAERLRCCRIRARMAVMACMPRMUIMSMCMIMAinvalid"
-
-var _v3Key_index = [...]uint8{0, 2, 4, 6, 8, 9, 10, 11, 12, 13, 15, 17, 19, 21, 23, 26, 29, 32, 35, 37, 39, 41, 43, 50}
-
-func (i v3Key) String() string {
-	if i >= v3Key(len(_v3Key_index)-1) {
-		return "v3Key(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _v3Key_name[_v3Key_index[i]:_v3Key_index[i+1]]
-}
diff --git a/internal/cvss/v3key_test.go b/internal/cvss/v3key_test.go
deleted file mode 100644
index 517eebd..0000000
--- a/internal/cvss/v3key_test.go
+++ /dev/null
@@ -1,142 +0,0 @@
-package cvss
-
-import (
-  "testing"
-)
-
-func TestV3KeyString(t *testing.T) {
-  tests := []struct {
-    val v3Key
-    exp string
-  } {
-    { v3AttackVector, "AV" },
-    { v3AttackComplexity, "AC" },
-    { v3PrivilegesRequired, "PR" },
-    { v3UserInteraction, "UI" },
-    { v3Scope, "S" },
-    { v3Confidentiality, "C" },
-    { v3Integrity, "I" },
-    { v3Availability, "A" },
-    { v3ExploitCodeMaturity, "E" },
-    { v3RemediationLevel, "RL" },
-    { v3ReportConfidence, "RC" },
-    { v3ConfidentialityRequirement, "CR" },
-    { v3IntegrityRequirement, "IR" },
-    { v3AvailabilityRequirement, "AR" },
-    { v3ModifiedAttackVector, "MAV" },
-    { v3ModifiedAttackComplexity, "MAC" },
-    { v3ModifiedPrivilegesRequired, "MPR" },
-    { v3ModifiedUserInteraction, "MUI" },
-    { v3ModifiedScope, "MS" },
-    { v3ModifiedConfidentiality, "MC" },
-    { v3ModifiedIntegrity, "MI" },
-    { v3ModifiedAvailability, "MA" },
-
-    { v3Key(255), "v3Key(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV3KeyName(t *testing.T) {
-  tests := []struct {
-    val v3Key
-    exp string
-  } {
-    { v3AttackVector, "Attack Vector" },
-    { v3AttackComplexity, "Attack Complexity" },
-    { v3PrivilegesRequired, "Privileges Required" },
-    { v3UserInteraction, "User Interaction" },
-    { v3Scope, "Scope" },
-    { v3Confidentiality, "Confidentiality" },
-    { v3Integrity, "Integrity" },
-    { v3Availability, "Availability" },
-    { v3ExploitCodeMaturity, "Exploit Code Maturity" },
-    { v3RemediationLevel, "Remediation Level" },
-    { v3ReportConfidence, "Report Confidence" },
-    { v3ConfidentialityRequirement, "Confidentiality Requirement" },
-    { v3IntegrityRequirement, "Integrity Requirement" },
-    { v3AvailabilityRequirement, "Availability Requirement" },
-    { v3ModifiedAttackVector, "Modified Attack Vector" },
-    { v3ModifiedAttackComplexity, "Modified Attack Complexity" },
-    { v3ModifiedPrivilegesRequired, "Modified Privileges Required" },
-    { v3ModifiedUserInteraction, "Modified User Interaction" },
-    { v3ModifiedScope, "Modified Scope" },
-    { v3ModifiedConfidentiality, "Modified Confidentiality" },
-    { v3ModifiedIntegrity, "Modified Integrity" },
-    { v3ModifiedAvailability, "Modified Availability" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.Name()
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV3KeyCategory(t *testing.T) {
-  tests := []struct {
-    val v3Key
-    exp Category
-  } {
-    { v3AttackVector, Base },
-    { v3AttackComplexity, Base },
-    { v3PrivilegesRequired, Base },
-    { v3UserInteraction, Base },
-    { v3Scope, Base },
-    { v3Confidentiality, Base },
-    { v3Integrity, Base },
-    { v3Availability, Base },
-    { v3ExploitCodeMaturity, Temporal },
-    { v3RemediationLevel, Temporal },
-    { v3ReportConfidence, Temporal },
-    { v3ConfidentialityRequirement, Environmental },
-    { v3IntegrityRequirement, Environmental },
-    { v3AvailabilityRequirement, Environmental },
-    { v3ModifiedAttackVector, Environmental },
-    { v3ModifiedAttackComplexity, Environmental },
-    { v3ModifiedPrivilegesRequired, Environmental },
-    { v3ModifiedUserInteraction, Environmental },
-    { v3ModifiedScope, Environmental },
-    { v3ModifiedConfidentiality, Environmental },
-    { v3ModifiedIntegrity, Environmental },
-    { v3ModifiedAvailability, Environmental },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val.String(), func(t *testing.T) {
-      got := test.val.Category()
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestInvalidV3KeyName(t *testing.T) {
-  exp := "invalid"
-  got := v3Key(255).Name()
-
-  if got != exp {
-    t.Errorf("got: \"%s\", exp: \"%s\"", got, exp)
-  }
-}
-
-func TestInvalidV3KeyCategory(t *testing.T) {
-  exp := InvalidCategory
-  got := v3Key(255).Category()
-
-  if got != exp {
-    t.Errorf("got: \"%s\", exp: \"%s\"", got, exp)
-  }
-}
diff --git a/internal/cvss/v3metric.go b/internal/cvss/v3metric.go
deleted file mode 100644
index fc4c860..0000000
--- a/internal/cvss/v3metric.go
+++ /dev/null
@@ -1,331 +0,0 @@
-package cvss
-
-//go:generate stringer -linecomment -type=v3Metric
-
-// metric value
-type v3Metric byte
-
-const (
-  v3AVNetwork v3Metric = iota // AV:N
-  v3AVAdjacentNetwork // AV:A
-  v3AVLocal // AV:L
-  v3AVPhysical // AV:P
-
-  v3ACLow // AC:L
-  v3ACHigh // AC:H
-
-  v3PRNone // PR:N
-  v3PRLow // PR:L
-  v3PRHigh // PR:H
-
-  v3UINone // UI:N
-  v3UIRequired // UI:R
-
-  v3SUnchanged // S:U
-  v3SChanged // S:C
-
-  v3CHigh // C:H
-  v3CLow // C:L
-  v3CNone // C:N
-
-  v3IHigh // I:H
-  v3ILow // I:L
-  v3INone // I:N
-
-  v3AHigh // A:H
-  v3ALow // A:L
-  v3ANone // A:N
-
-  v3ENotDefined // E:X
-  v3EHigh // E:H
-  v3EFunctional // E:F
-  v3EProofOfConcept // E:P
-  v3EUnproven // E:U
-
-  v3RLNotDefined // RL:X
-  v3RLUnavailable // RL:U
-  v3RLWorkaround // RL:W
-  v3RLTemporaryFix // RL:T
-  v3RLOfficialFix // RL:O
-
-  v3RCNotDefined // RC:X
-  v3RCConfirmed // RC:C
-  v3RCReasonable // RC:R
-  v3RCUnknown // RC:U
-
-  v3CRNotDefined // CR:X
-  v3CRHigh // CR:H
-  v3CRMedium // CR:M
-  v3CRLow // CR:L
-
-  v3IRNotDefined // IR:X
-  v3IRHigh // IR:H
-  v3IRMedium // IR:M
-  v3IRLow // IR:L
-
-  v3ARNotDefined // AR:X
-  v3ARHigh // AR:H
-  v3ARMedium // AR:M
-  v3ARLow // AR:L
-
-  v3MAVNotDefined // MAV:X
-  v3MAVNetwork // MAV:N
-  v3MAVAdjacentNetwork // MAV:A
-  v3MAVLocal // MAV:L
-  v3MAVPhysical // MAV:P
-
-  v3MACNotDefined // MAC:X
-  v3MACLow // MAC:L
-  v3MACHigh // MAC:H
-
-  v3MMRNotDefined // MPR:X
-  v3MPRLow // MPR:L
-  v3MPRHigh // MPR:H
-
-  v3MUINotDefined // MUI:X
-  v3MUINone // MUI:N
-  v3MUIRequired // MUI:R
-
-  v3MSNotDefined // MMS:X
-  v3MSUnchanged // MMS:U
-  v3MSChanged // MMS:C
-
-  v3MCNotDefined // MC:X
-  v3MCHigh // MC:H
-  v3MCLow // MC:L
-  v3MCNone // MC:N
-
-  v3MINotDefined // MI:X
-  v3MIHigh // MI:H
-  v3MILow // MI:L
-  v3MINone // MI:N
-
-  v3MANotDefined // MA:X
-  v3MAHigh // MA:H
-  v3MALow // MA:L
-  v3MANone // MA:N
-
-  v3InvalidMetric // invalid
-)
-
-// map of metrics to metric keys
-var v3KeyLut = map[v3Metric]v3Key {
-  v3AVNetwork: v3AttackVector, // AV:N
-  v3AVAdjacentNetwork: v3AttackVector, // AV:A
-  v3AVLocal: v3AttackVector, // AV:L
-  v3AVPhysical: v3AttackVector, // AV:P
-
-  v3ACLow: v3AttackComplexity, // AC:L
-  v3ACHigh: v3AttackComplexity, // AC:H
-
-  v3PRNone: v3PrivilegesRequired, // PR:N
-  v3PRLow: v3PrivilegesRequired, // PR:L
-  v3PRHigh: v3PrivilegesRequired, // PR:H
-
-  v3UINone: v3UserInteraction, // UI:N
-  v3UIRequired: v3UserInteraction, // UI:R
-
-  v3SUnchanged: v3Scope, // S:U
-  v3SChanged: v3Scope, // S:C
-
-  v3CHigh: v3Confidentiality, // C:H
-  v3CLow: v3Confidentiality, // C:L
-  v3CNone: v3Confidentiality, // C:N
-
-  v3IHigh: v3Integrity, // I:H
-  v3ILow: v3Integrity, // I:L
-  v3INone: v3Integrity, // I:N
-
-  v3AHigh: v3Availability, // A:H
-  v3ALow: v3Availability, // A:L
-  v3ANone: v3Availability, // A:N
-
-  v3ENotDefined: v3ExploitCodeMaturity, // E:X
-  v3EHigh: v3ExploitCodeMaturity, // E:H
-  v3EFunctional: v3ExploitCodeMaturity, // E:F
-  v3EProofOfConcept: v3ExploitCodeMaturity, // E:P
-  v3EUnproven: v3ExploitCodeMaturity, // E:U
-
-  v3RLNotDefined: v3RemediationLevel, // RL:X
-  v3RLUnavailable: v3RemediationLevel, // RL:U
-  v3RLWorkaround: v3RemediationLevel, // RL:W
-  v3RLTemporaryFix: v3RemediationLevel, // RL:T
-  v3RLOfficialFix: v3RemediationLevel, // RL:O
-
-  v3RCNotDefined: v3ReportConfidence, // RC:X
-  v3RCConfirmed: v3ReportConfidence, // RC:C
-  v3RCReasonable: v3ReportConfidence, // RC:R
-  v3RCUnknown: v3ReportConfidence, // RC:U
-
-  v3CRNotDefined: v3ConfidentialityRequirement, // CR:X
-  v3CRHigh: v3ConfidentialityRequirement, // CR:H
-  v3CRMedium: v3ConfidentialityRequirement, // CR:M
-  v3CRLow: v3ConfidentialityRequirement, // CR:L
-
-  v3IRNotDefined: v3IntegrityRequirement, // IR:X
-  v3IRHigh: v3IntegrityRequirement, // IR:H
-  v3IRMedium: v3IntegrityRequirement, // IR:M
-  v3IRLow: v3IntegrityRequirement, // IR:L
-
-  v3ARNotDefined: v3AvailabilityRequirement, // AR:X
-  v3ARHigh: v3AvailabilityRequirement, // AR:H
-  v3ARMedium: v3AvailabilityRequirement, // AR:M
-  v3ARLow: v3AvailabilityRequirement, // AR:L
-
-  v3MAVNotDefined: v3ModifiedAttackVector, // MAV:X
-  v3MAVNetwork: v3ModifiedAttackVector, // MAV:N
-  v3MAVAdjacentNetwork: v3ModifiedAttackVector, // MAV:A
-  v3MAVLocal: v3ModifiedAttackVector, // MAV:L
-  v3MAVPhysical: v3ModifiedAttackVector, // MAV:P
-
-  v3MACNotDefined: v3ModifiedAttackComplexity, // MAC:X
-  v3MACLow: v3ModifiedAttackComplexity, // MAC:L
-  v3MACHigh: v3ModifiedAttackComplexity, // MAC:H
-
-  v3MMRNotDefined: v3ModifiedPrivilegesRequired, // MPR:X
-  v3MPRLow: v3ModifiedPrivilegesRequired, // MPR:L
-  v3MPRHigh: v3ModifiedPrivilegesRequired, // MPR:H
-
-  v3MUINotDefined: v3ModifiedUserInteraction, // MUI:X
-  v3MUINone: v3ModifiedUserInteraction, // MUI:N
-  v3MUIRequired: v3ModifiedUserInteraction, // MUI:R
-
-  v3MSNotDefined: v3ModifiedScope, // MMS:X
-  v3MSUnchanged: v3ModifiedConfidentiality, // MMS:U
-  v3MSChanged: v3ModifiedIntegrity, // MMS:C
-
-  v3MCNotDefined: v3ModifiedConfidentiality, // MC:X
-  v3MCHigh: v3ModifiedConfidentiality, // MC:H
-  v3MCLow: v3ModifiedConfidentiality, // MC:L
-  v3MCNone: v3ModifiedConfidentiality, // MC:N
-
-  v3MINotDefined: v3ModifiedIntegrity, // MI:X
-  v3MIHigh: v3ModifiedIntegrity, // MI:H
-  v3MILow: v3ModifiedIntegrity, // MI:L
-  v3MINone: v3ModifiedIntegrity, // MI:N
-
-  v3MANotDefined: v3ModifiedAvailability, // MA:X
-  v3MAHigh: v3ModifiedAvailability, // MA:H
-  v3MALow: v3ModifiedAvailability, // MA:L
-  v3MANone: v3ModifiedAvailability, // MA:N
-}
-
-// map of metric strings to metrics
-var v3MetricStrLut = map[string]v3Metric {
-  "AV:N": v3AVNetwork,
-  "AV:A": v3AVAdjacentNetwork,
-  "AV:L": v3AVLocal,
-  "AV:P": v3AVPhysical,
-
-  "AC:L": v3ACLow,
-  "AC:H": v3ACHigh,
-
-  "PR:N": v3PRNone,
-  "PR:L": v3PRLow,
-  "PR:H": v3PRHigh,
-
-  "UI:N": v3UINone,
-  "UI:R": v3UIRequired,
-
-  "S:U": v3SUnchanged,
-  "S:C": v3SChanged,
-
-  "C:H": v3CHigh,
-  "C:L": v3CLow,
-  "C:N": v3CNone,
-
-  "I:H": v3IHigh,
-  "I:L": v3ILow,
-  "I:N": v3INone,
-
-  "A:H": v3AHigh,
-  "A:L": v3ALow,
-  "A:N": v3ANone,
-
-  "E:X": v3ENotDefined,
-  "E:H": v3EHigh,
-  "E:F": v3EFunctional,
-  "E:P": v3EProofOfConcept,
-  "E:U": v3EUnproven,
-
-  "RL:X": v3RLNotDefined,
-  "RL:U": v3RLUnavailable,
-  "RL:W": v3RLWorkaround,
-  "RL:T": v3RLTemporaryFix,
-  "RL:O": v3RLOfficialFix,
-
-  "RC:X": v3RCNotDefined,
-  "RC:C": v3RCConfirmed,
-  "RC:R": v3RCReasonable,
-  "RC:U": v3RCUnknown,
-
-  "CR:X": v3CRNotDefined,
-  "CR:H": v3CRHigh,
-  "CR:M": v3CRMedium,
-  "CR:L": v3CRLow,
-
-  "IR:X": v3IRNotDefined,
-  "IR:H": v3IRHigh,
-  "IR:M": v3IRMedium,
-  "IR:L": v3IRLow,
-
-  "AR:X": v3ARNotDefined,
-  "AR:H": v3ARHigh,
-  "AR:M": v3ARMedium,
-  "AR:L": v3ARLow,
-
-  "MAV:X": v3MAVNotDefined,
-  "MAV:N": v3MAVNetwork,
-  "MAV:A": v3MAVAdjacentNetwork,
-  "MAV:L": v3MAVLocal,
-  "MAV:P": v3MAVPhysical,
-
-  "MAC:X": v3MACNotDefined,
-  "MAC:L": v3MACLow,
-  "MAC:H": v3MACHigh,
-
-  "MPR:X": v3MMRNotDefined,
-  "MPR:L": v3MPRLow,
-  "MPR:H": v3MPRHigh,
-
-  "MUI:X": v3MUINotDefined,
-  "MUI:N": v3MUINone,
-  "MUI:R": v3MUIRequired,
-
-  "MMS:X": v3MSNotDefined,
-  "MMS:U": v3MSUnchanged,
-  "MMS:C": v3MSChanged,
-
-  "MC:X": v3MCNotDefined,
-  "MC:H": v3MCHigh,
-  "MC:L": v3MCLow,
-  "MC:N": v3MCNone,
-
-  "MI:X": v3MINotDefined,
-  "MI:H": v3MIHigh,
-  "MI:L": v3MILow,
-  "MI:N": v3MINone,
-
-  "MA:X": v3MANotDefined,
-  "MA:H": v3MAHigh,
-  "MA:L": v3MALow,
-  "MA:N": v3MANone,
-}
-
-// Get CVSS 3.x metric key.
-func (m v3Metric) Key() Key {
-  if k, ok := v3KeyLut[m]; ok {
-    return k
-  } else {
-    return v3InvalidKey
-  }
-}
-
-// Convert string to CVSS 3.1 metric.
-func getV3Metric(version Version, s string) (v3Metric, error) {
-  if m, ok := v3MetricStrLut[s]; ok {
-    return m, nil
-  } else {
-    return v3InvalidMetric, newBadMetric(version, s)
-  }
-}
diff --git a/internal/cvss/v3metric_string.go b/internal/cvss/v3metric_string.go
deleted file mode 100644
index 612ed83..0000000
--- a/internal/cvss/v3metric_string.go
+++ /dev/null
@@ -1,100 +0,0 @@
-// Code generated by "stringer -linecomment -type=v3Metric"; DO NOT EDIT.
-
-package cvss
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[v3AVNetwork-0]
-	_ = x[v3AVAdjacentNetwork-1]
-	_ = x[v3AVLocal-2]
-	_ = x[v3AVPhysical-3]
-	_ = x[v3ACLow-4]
-	_ = x[v3ACHigh-5]
-	_ = x[v3PRNone-6]
-	_ = x[v3PRLow-7]
-	_ = x[v3PRHigh-8]
-	_ = x[v3UINone-9]
-	_ = x[v3UIRequired-10]
-	_ = x[v3SUnchanged-11]
-	_ = x[v3SChanged-12]
-	_ = x[v3CHigh-13]
-	_ = x[v3CLow-14]
-	_ = x[v3CNone-15]
-	_ = x[v3IHigh-16]
-	_ = x[v3ILow-17]
-	_ = x[v3INone-18]
-	_ = x[v3AHigh-19]
-	_ = x[v3ALow-20]
-	_ = x[v3ANone-21]
-	_ = x[v3ENotDefined-22]
-	_ = x[v3EHigh-23]
-	_ = x[v3EFunctional-24]
-	_ = x[v3EProofOfConcept-25]
-	_ = x[v3EUnproven-26]
-	_ = x[v3RLNotDefined-27]
-	_ = x[v3RLUnavailable-28]
-	_ = x[v3RLWorkaround-29]
-	_ = x[v3RLTemporaryFix-30]
-	_ = x[v3RLOfficialFix-31]
-	_ = x[v3RCNotDefined-32]
-	_ = x[v3RCConfirmed-33]
-	_ = x[v3RCReasonable-34]
-	_ = x[v3RCUnknown-35]
-	_ = x[v3CRNotDefined-36]
-	_ = x[v3CRHigh-37]
-	_ = x[v3CRMedium-38]
-	_ = x[v3CRLow-39]
-	_ = x[v3IRNotDefined-40]
-	_ = x[v3IRHigh-41]
-	_ = x[v3IRMedium-42]
-	_ = x[v3IRLow-43]
-	_ = x[v3ARNotDefined-44]
-	_ = x[v3ARHigh-45]
-	_ = x[v3ARMedium-46]
-	_ = x[v3ARLow-47]
-	_ = x[v3MAVNotDefined-48]
-	_ = x[v3MAVNetwork-49]
-	_ = x[v3MAVAdjacentNetwork-50]
-	_ = x[v3MAVLocal-51]
-	_ = x[v3MAVPhysical-52]
-	_ = x[v3MACNotDefined-53]
-	_ = x[v3MACLow-54]
-	_ = x[v3MACHigh-55]
-	_ = x[v3MMRNotDefined-56]
-	_ = x[v3MPRLow-57]
-	_ = x[v3MPRHigh-58]
-	_ = x[v3MUINotDefined-59]
-	_ = x[v3MUINone-60]
-	_ = x[v3MUIRequired-61]
-	_ = x[v3MSNotDefined-62]
-	_ = x[v3MSUnchanged-63]
-	_ = x[v3MSChanged-64]
-	_ = x[v3MCNotDefined-65]
-	_ = x[v3MCHigh-66]
-	_ = x[v3MCLow-67]
-	_ = x[v3MCNone-68]
-	_ = x[v3MINotDefined-69]
-	_ = x[v3MIHigh-70]
-	_ = x[v3MILow-71]
-	_ = x[v3MINone-72]
-	_ = x[v3MANotDefined-73]
-	_ = x[v3MAHigh-74]
-	_ = x[v3MALow-75]
-	_ = x[v3MANone-76]
-	_ = x[v3InvalidMetric-77]
-}
-
-const _v3Metric_name = "AV:NAV:AAV:LAV:PAC:LAC:HPR:NPR:LPR:HUI:NUI:RS:US:CC:HC:LC:NI:HI:LI:NA:HA:LA:NE:XE:HE:FE:PE:URL:XRL:URL:WRL:TRL:ORC:XRC:CRC:RRC:UCR:XCR:HCR:MCR:LIR:XIR:HIR:MIR:LAR:XAR:HAR:MAR:LMAV:XMAV:NMAV:AMAV:LMAV:PMAC:XMAC:LMAC:HMPR:XMPR:LMPR:HMUI:XMUI:NMUI:RMMS:XMMS:UMMS:CMC:XMC:HMC:LMC:NMI:XMI:HMI:LMI:NMA:XMA:HMA:LMA:Ninvalid"
-
-var _v3Metric_index = [...]uint16{0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 47, 50, 53, 56, 59, 62, 65, 68, 71, 74, 77, 80, 83, 86, 89, 92, 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, 148, 152, 156, 160, 164, 168, 172, 176, 181, 186, 191, 196, 201, 206, 211, 216, 221, 226, 231, 236, 241, 246, 251, 256, 261, 265, 269, 273, 277, 281, 285, 289, 293, 297, 301, 305, 309, 316}
-
-func (i v3Metric) String() string {
-	if i >= v3Metric(len(_v3Metric_index)-1) {
-		return "v3Metric(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _v3Metric_name[_v3Metric_index[i]:_v3Metric_index[i+1]]
-}
diff --git a/internal/cvss/v3metric_test.go b/internal/cvss/v3metric_test.go
deleted file mode 100644
index 432d34a..0000000
--- a/internal/cvss/v3metric_test.go
+++ /dev/null
@@ -1,366 +0,0 @@
-package cvss
-
-import "testing"
-
-func TestGetV3Metric(t *testing.T) {
-  tests := []struct {
-    val string
-    exp v3Metric
-    ok  bool
-  } {
-    { "AV:N", v3AVNetwork, true },
-    { "AV:A", v3AVAdjacentNetwork, true },
-    { "AV:L", v3AVLocal, true },
-    { "AV:P", v3AVPhysical, true },
-
-    { "AC:L", v3ACLow, true },
-    { "AC:H", v3ACHigh, true },
-
-    { "PR:N", v3PRNone, true },
-    { "PR:L", v3PRLow, true },
-    { "PR:H", v3PRHigh, true },
-
-    { "UI:N", v3UINone, true },
-    { "UI:R", v3UIRequired, true },
-
-    { "S:U", v3SUnchanged, true },
-    { "S:C", v3SChanged, true },
-
-    { "C:H", v3CHigh, true },
-    { "C:L", v3CLow, true },
-    { "C:N", v3CNone, true },
-
-    { "I:H", v3IHigh, true },
-    { "I:L", v3ILow, true },
-    { "I:N", v3INone, true },
-
-    { "A:H", v3AHigh, true },
-    { "A:L", v3ALow, true },
-    { "A:N", v3ANone, true },
-
-    { "E:X", v3ENotDefined, true },
-    { "E:H", v3EHigh, true },
-    { "E:F", v3EFunctional, true },
-    { "E:P", v3EProofOfConcept, true },
-    { "E:U", v3EUnproven, true },
-
-    { "RL:X", v3RLNotDefined, true },
-    { "RL:U", v3RLUnavailable, true },
-    { "RL:W", v3RLWorkaround, true },
-    { "RL:T", v3RLTemporaryFix, true },
-    { "RL:O", v3RLOfficialFix, true },
-
-    { "RC:X", v3RCNotDefined, true },
-    { "RC:C", v3RCConfirmed, true },
-    { "RC:R", v3RCReasonable, true },
-    { "RC:U", v3RCUnknown, true },
-
-    { "CR:X", v3CRNotDefined, true },
-    { "CR:H", v3CRHigh, true },
-    { "CR:M", v3CRMedium, true },
-    { "CR:L", v3CRLow, true },
-
-    { "IR:X", v3IRNotDefined, true },
-    { "IR:H", v3IRHigh, true },
-    { "IR:M", v3IRMedium, true },
-    { "IR:L", v3IRLow, true },
-
-    { "AR:X", v3ARNotDefined, true },
-    { "AR:H", v3ARHigh, true },
-    { "AR:M", v3ARMedium, true },
-    { "AR:L", v3ARLow, true },
-
-    { "MAV:X", v3MAVNotDefined, true },
-    { "MAV:N", v3MAVNetwork, true },
-    { "MAV:A", v3MAVAdjacentNetwork, true },
-    { "MAV:L", v3MAVLocal, true },
-    { "MAV:P", v3MAVPhysical, true },
-
-    { "MAC:X", v3MACNotDefined, true },
-    { "MAC:L", v3MACLow, true },
-    { "MAC:H", v3MACHigh, true },
-
-    { "MPR:X", v3MMRNotDefined, true },
-    { "MPR:L", v3MPRLow, true },
-    { "MPR:H", v3MPRHigh, true },
-
-    { "MUI:X", v3MUINotDefined, true },
-    { "MUI:N", v3MUINone, true },
-    { "MUI:R", v3MUIRequired, true },
-
-    { "MMS:X", v3MSNotDefined, true },
-    { "MMS:U", v3MSUnchanged, true },
-    { "MMS:C", v3MSChanged, true },
-
-    { "MC:X", v3MCNotDefined, true },
-    { "MC:H", v3MCHigh, true },
-    { "MC:L", v3MCLow, true },
-    { "MC:N", v3MCNone, true },
-
-    { "MI:X", v3MINotDefined, true },
-    { "MI:H", v3MIHigh, true },
-    { "MI:L", v3MILow, true },
-    { "MI:N", v3MINone, true },
-
-    { "MA:X", v3MANotDefined, true },
-    { "MA:H", v3MAHigh, true },
-    { "MA:L", v3MALow, true },
-    { "MA:N", v3MANone, true },
-
-    { "invalid", v3InvalidMetric, false },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      got, err := getV3Metric(V31, test.val)
-      if test.ok && err == nil && got != test.exp {
-        t.Errorf("got: \"%s\", exp: \"%s\"", got, test.exp)
-      } else if test.ok && err != nil {
-        t.Error(err)
-      } else if !test.ok && err == nil {
-        t.Errorf("got: \"%s\", exp: error", got)
-      }
-    })
-  }
-}
-
-func TestGetV3MetricKey(t *testing.T) {
-  tests := []struct {
-    val v3Metric
-    exp v3Key
-  } {
-    { v3AVNetwork, v3AttackVector }, // AV:N
-    { v3AVAdjacentNetwork, v3AttackVector }, // AV:A
-    { v3AVLocal, v3AttackVector }, // AV:L
-    { v3AVPhysical, v3AttackVector }, // AV:P
-
-    { v3ACLow, v3AttackComplexity }, // AC:L
-    { v3ACHigh, v3AttackComplexity }, // AC:H
-
-    { v3PRNone, v3PrivilegesRequired }, // PR:N
-    { v3PRLow, v3PrivilegesRequired }, // PR:L
-    { v3PRHigh, v3PrivilegesRequired }, // PR:H
-
-    { v3UINone, v3UserInteraction }, // UI:N
-    { v3UIRequired, v3UserInteraction }, // UI:R
-
-    { v3SUnchanged, v3Scope }, // S:U
-    { v3SChanged, v3Scope }, // S:C
-
-    { v3CHigh, v3Confidentiality }, // C:H
-    { v3CLow, v3Confidentiality }, // C:L
-    { v3CNone, v3Confidentiality }, // C:N
-
-    { v3IHigh, v3Integrity }, // I:H
-    { v3ILow, v3Integrity }, // I:L
-    { v3INone, v3Integrity }, // I:N
-
-    { v3AHigh, v3Availability }, // A:H
-    { v3ALow, v3Availability }, // A:L
-    { v3ANone, v3Availability }, // A:N
-
-    { v3ENotDefined, v3ExploitCodeMaturity }, // E:X
-    { v3EHigh, v3ExploitCodeMaturity }, // E:H
-    { v3EFunctional, v3ExploitCodeMaturity }, // E:F
-    { v3EProofOfConcept, v3ExploitCodeMaturity }, // E:P
-    { v3EUnproven, v3ExploitCodeMaturity }, // E:U
-
-    { v3RLNotDefined, v3RemediationLevel }, // RL:X
-    { v3RLUnavailable, v3RemediationLevel }, // RL:U
-    { v3RLWorkaround, v3RemediationLevel }, // RL:W
-    { v3RLTemporaryFix, v3RemediationLevel }, // RL:T
-    { v3RLOfficialFix, v3RemediationLevel }, // RL:O
-
-    { v3RCNotDefined, v3ReportConfidence }, // RC:X
-    { v3RCConfirmed, v3ReportConfidence }, // RC:C
-    { v3RCReasonable, v3ReportConfidence }, // RC:R
-    { v3RCUnknown, v3ReportConfidence }, // RC:U
-
-    { v3CRNotDefined, v3ConfidentialityRequirement }, // CR:X
-    { v3CRHigh, v3ConfidentialityRequirement }, // CR:H
-    { v3CRMedium, v3ConfidentialityRequirement }, // CR:M
-    { v3CRLow, v3ConfidentialityRequirement }, // CR:L
-
-    { v3IRNotDefined, v3IntegrityRequirement }, // IR:X
-    { v3IRHigh, v3IntegrityRequirement }, // IR:H
-    { v3IRMedium, v3IntegrityRequirement }, // IR:M
-    { v3IRLow, v3IntegrityRequirement }, // IR:L
-
-    { v3ARNotDefined, v3AvailabilityRequirement }, // AR:X
-    { v3ARHigh, v3AvailabilityRequirement }, // AR:H
-    { v3ARMedium, v3AvailabilityRequirement }, // AR:M
-    { v3ARLow, v3AvailabilityRequirement }, // AR:L
-
-    { v3MAVNotDefined, v3ModifiedAttackVector }, // MAV:X
-    { v3MAVNetwork, v3ModifiedAttackVector }, // MAV:N
-    { v3MAVAdjacentNetwork, v3ModifiedAttackVector }, // MAV:A
-    { v3MAVLocal, v3ModifiedAttackVector }, // MAV:L
-    { v3MAVPhysical, v3ModifiedAttackVector }, // MAV:P
-
-    { v3MACNotDefined, v3ModifiedAttackComplexity }, // MAC:X
-    { v3MACLow, v3ModifiedAttackComplexity }, // MAC:L
-    { v3MACHigh, v3ModifiedAttackComplexity }, // MAC:H
-
-    { v3MMRNotDefined, v3ModifiedPrivilegesRequired }, // MPR:X
-    { v3MPRLow, v3ModifiedPrivilegesRequired }, // MPR:L
-    { v3MPRHigh, v3ModifiedPrivilegesRequired }, // MPR:H
-
-    { v3MUINotDefined, v3ModifiedUserInteraction }, // MUI:X
-    { v3MUINone, v3ModifiedUserInteraction }, // MUI:N
-    { v3MUIRequired, v3ModifiedUserInteraction }, // MUI:R
-
-    { v3MSNotDefined, v3ModifiedScope }, // MMS:X
-    { v3MSUnchanged, v3ModifiedConfidentiality }, // MMS:U
-    { v3MSChanged, v3ModifiedIntegrity }, // MMS:C
-
-    { v3MCNotDefined, v3ModifiedConfidentiality }, // MC:X
-    { v3MCHigh, v3ModifiedConfidentiality }, // MC:H
-    { v3MCLow, v3ModifiedConfidentiality }, // MC:L
-    { v3MCNone, v3ModifiedConfidentiality }, // MC:N
-
-    { v3MINotDefined, v3ModifiedIntegrity }, // MI:X
-    { v3MIHigh, v3ModifiedIntegrity }, // MI:H
-    { v3MILow, v3ModifiedIntegrity }, // MI:L
-    { v3MINone, v3ModifiedIntegrity }, // MI:N
-
-    { v3MANotDefined, v3ModifiedAvailability }, // MA:X
-    { v3MAHigh, v3ModifiedAvailability }, // MA:H
-    { v3MALow, v3ModifiedAvailability }, // MA:L
-    { v3MANone, v3ModifiedAvailability }, // MA:N
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val.String(), func(t *testing.T) {
-      got := test.val.Key()
-      if got != test.exp {
-        t.Errorf("got: \"%s\", exp: \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV3MetricString(t *testing.T) {
-  tests := []struct {
-    val v3Metric
-    exp string
-  } {
-    { v3AVNetwork, "AV:N" },
-    { v3AVAdjacentNetwork, "AV:A" },
-    { v3AVLocal, "AV:L" },
-    { v3AVPhysical, "AV:P" },
-
-    { v3ACLow, "AC:L" },
-    { v3ACHigh, "AC:H" },
-
-    { v3PRNone, "PR:N" },
-    { v3PRLow, "PR:L" },
-    { v3PRHigh, "PR:H" },
-
-    { v3UINone, "UI:N" },
-    { v3UIRequired, "UI:R" },
-
-    { v3SUnchanged, "S:U" },
-    { v3SChanged, "S:C" },
-
-    { v3CHigh, "C:H" },
-    { v3CLow, "C:L" },
-    { v3CNone, "C:N" },
-
-    { v3IHigh, "I:H" },
-    { v3ILow, "I:L" },
-    { v3INone, "I:N" },
-
-    { v3AHigh, "A:H" },
-    { v3ALow, "A:L" },
-    { v3ANone, "A:N" },
-
-    { v3ENotDefined, "E:X" },
-    { v3EHigh, "E:H" },
-    { v3EFunctional, "E:F" },
-    { v3EProofOfConcept, "E:P" },
-    { v3EUnproven, "E:U" },
-
-    { v3RLNotDefined, "RL:X" },
-    { v3RLUnavailable, "RL:U" },
-    { v3RLWorkaround, "RL:W" },
-    { v3RLTemporaryFix, "RL:T" },
-    { v3RLOfficialFix, "RL:O" },
-
-    { v3RCNotDefined, "RC:X" },
-    { v3RCConfirmed, "RC:C" },
-    { v3RCReasonable, "RC:R" },
-    { v3RCUnknown, "RC:U" },
-
-    { v3CRNotDefined, "CR:X" },
-    { v3CRHigh, "CR:H" },
-    { v3CRMedium, "CR:M" },
-    { v3CRLow, "CR:L" },
-
-    { v3IRNotDefined, "IR:X" },
-    { v3IRHigh, "IR:H" },
-    { v3IRMedium, "IR:M" },
-    { v3IRLow, "IR:L" },
-
-    { v3ARNotDefined, "AR:X" },
-    { v3ARHigh, "AR:H" },
-    { v3ARMedium, "AR:M" },
-    { v3ARLow, "AR:L" },
-
-    { v3MAVNotDefined, "MAV:X" },
-    { v3MAVNetwork, "MAV:N" },
-    { v3MAVAdjacentNetwork, "MAV:A" },
-    { v3MAVLocal, "MAV:L" },
-    { v3MAVPhysical, "MAV:P" },
-
-    { v3MACNotDefined, "MAC:X" },
-    { v3MACLow, "MAC:L" },
-    { v3MACHigh, "MAC:H" },
-
-    { v3MMRNotDefined, "MPR:X" },
-    { v3MPRLow, "MPR:L" },
-    { v3MPRHigh, "MPR:H" },
-
-    { v3MUINotDefined, "MUI:X" },
-    { v3MUINone, "MUI:N" },
-    { v3MUIRequired, "MUI:R" },
-
-    { v3MSNotDefined, "MMS:X" },
-    { v3MSUnchanged, "MMS:U" },
-    { v3MSChanged, "MMS:C" },
-
-    { v3MCNotDefined, "MC:X" },
-    { v3MCHigh, "MC:H" },
-    { v3MCLow, "MC:L" },
-    { v3MCNone, "MC:N" },
-
-    { v3MINotDefined, "MI:X" },
-    { v3MIHigh, "MI:H" },
-    { v3MILow, "MI:L" },
-    { v3MINone, "MI:N" },
-
-    { v3MANotDefined, "MA:X" },
-    { v3MAHigh, "MA:H" },
-    { v3MALow, "MA:L" },
-    { v3MANone, "MA:N" },
-
-    { v3Metric(255), "v3Metric(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val.String(), func(t *testing.T) {
-      got := test.val.String()
-      if got != test.exp {
-        t.Errorf("got: \"%s\", exp: \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestInvalidV3MetricKey(t *testing.T) {
-  got := v3Metric(255).Key()
-  exp := v3InvalidKey
-
-  if got != exp {
-    t.Errorf("got: \"%s\", exp: \"%s\"", got, exp)
-  }
-}
diff --git a/internal/cvss/vector.go b/internal/cvss/vector.go
deleted file mode 100644
index 3e465c5..0000000
--- a/internal/cvss/vector.go
+++ /dev/null
@@ -1,36 +0,0 @@
-package cvss
-
-import (
-  "fmt"
-)
-
-// CVSS metric vector.
-type Vector interface {
-  // Get CVSS version.
-  Version() Version
-
-  // Get CVSS vector string.
-  String() string
-
-  // Return metrics in this vector.
-  Metrics() []Metric
-
-  // Unmarshal vector from JSON.
-  // UnmarshalJSON(b []byte) error
-}
-
-// Create new CVSS vector from vector string.
-func NewVector(s string) (Vector, error) {
-  if isV31VectorString(s) {
-    // create CVSS v3.1 vector.
-    return newV31Vector(s)
-  } else if isV30VectorString(s) {
-    // create CVSS v3.0 vector.
-    return newV30Vector(s)
-  } else if isV2VectorString(s) {
-    // create CVSS v2 vector.
-    return newV2Vector(s)
-  } else {
-    return nil, fmt.Errorf("invalid CVSS vector: %s", s)
-  }
-}
diff --git a/internal/cvss/vector_test.go b/internal/cvss/vector_test.go
deleted file mode 100644
index a9ea820..0000000
--- a/internal/cvss/vector_test.go
+++ /dev/null
@@ -1,659 +0,0 @@
-package cvss
-
-import "testing"
-
-func TestNewVector(t *testing.T) {
-  passTests := []string {
-    "AV:A/AC:H/Au:S/C:C/I:C/A:C",
-    "AV:A/AC:H/Au:S/C:N/I:N/A:P",
-    "AV:A/AC:H/Au:S/C:P/I:P/A:P",
-    "AV:A/AC:L/Au:N/C:C/I:C/A:C",
-    "AV:A/AC:L/Au:N/C:N/I:N/A:C",
-    "AV:A/AC:L/Au:N/C:N/I:N/A:P",
-    "AV:A/AC:L/Au:N/C:N/I:P/A:N",
-    "AV:A/AC:L/Au:N/C:P/I:N/A:C",
-    "AV:A/AC:L/Au:N/C:P/I:N/A:N",
-    "AV:A/AC:L/Au:N/C:P/I:P/A:N",
-    "AV:A/AC:L/Au:N/C:P/I:P/A:P",
-    "AV:A/AC:L/Au:S/C:C/I:C/A:C",
-    "AV:A/AC:L/Au:S/C:C/I:N/A:C",
-    "AV:A/AC:L/Au:S/C:N/I:N/A:P",
-    "AV:A/AC:L/Au:S/C:N/I:P/A:N",
-    "AV:A/AC:L/Au:S/C:P/I:N/A:N",
-    "AV:A/AC:L/Au:S/C:P/I:N/A:P",
-    "AV:A/AC:L/Au:S/C:P/I:P/A:N",
-    "AV:A/AC:L/Au:S/C:P/I:P/A:P",
-    "AV:A/AC:M/Au:N/C:C/I:C/A:C",
-    "AV:A/AC:M/Au:N/C:N/I:N/A:C",
-    "AV:A/AC:M/Au:N/C:N/I:N/A:P",
-    "AV:A/AC:M/Au:N/C:N/I:P/A:N",
-    "AV:A/AC:M/Au:N/C:N/I:P/A:P",
-    "AV:A/AC:M/Au:N/C:P/I:N/A:N",
-    "AV:A/AC:M/Au:N/C:P/I:P/A:N",
-    "AV:A/AC:M/Au:N/C:P/I:P/A:P",
-    "AV:A/AC:M/Au:S/C:C/I:C/A:C",
-    "AV:A/AC:M/Au:S/C:N/I:N/A:P",
-    "AV:A/AC:M/Au:S/C:N/I:P/A:N",
-    "AV:A/AC:M/Au:S/C:P/I:N/A:N",
-    "AV:A/AC:M/Au:S/C:P/I:P/A:P",
-    "AV:L/AC:H/Au:N/C:C/I:C/A:C",
-    "AV:L/AC:H/Au:N/C:N/I:N/A:C",
-    "AV:L/AC:H/Au:N/C:N/I:N/A:P",
-    "AV:L/AC:H/Au:N/C:N/I:P/A:N",
-    "AV:L/AC:H/Au:N/C:P/I:N/A:N",
-    "AV:L/AC:H/Au:N/C:P/I:P/A:N",
-    "AV:L/AC:H/Au:S/C:P/I:P/A:P",
-    "AV:L/AC:L/Au:N/C:C/I:C/A:C",
-    "AV:L/AC:L/Au:N/C:C/I:C/A:N",
-    "AV:L/AC:L/Au:N/C:C/I:N/A:C",
-    "AV:L/AC:L/Au:N/C:C/I:N/A:N",
-    "AV:L/AC:L/Au:N/C:C/I:P/A:N",
-    "AV:L/AC:L/Au:N/C:N/I:C/A:C",
-    "AV:L/AC:L/Au:N/C:N/I:C/A:N",
-    "AV:L/AC:L/Au:N/C:N/I:N/A:C",
-    "AV:L/AC:L/Au:N/C:N/I:N/A:P",
-    "AV:L/AC:L/Au:N/C:N/I:P/A:C",
-    "AV:L/AC:L/Au:N/C:N/I:P/A:N",
-    "AV:L/AC:L/Au:N/C:N/I:P/A:P",
-    "AV:L/AC:L/Au:N/C:P/I:N/A:C",
-    "AV:L/AC:L/Au:N/C:P/I:N/A:N",
-    "AV:L/AC:L/Au:N/C:P/I:N/A:P",
-    "AV:L/AC:L/Au:N/C:P/I:P/A:C",
-    "AV:L/AC:L/Au:N/C:P/I:P/A:N",
-    "AV:L/AC:L/Au:N/C:P/I:P/A:P",
-    "AV:L/AC:L/Au:S/C:P/I:N/A:N",
-    "AV:L/AC:M/Au:N/C:C/I:C/A:C",
-    "AV:L/AC:M/Au:N/C:C/I:N/A:N",
-    "AV:L/AC:M/Au:N/C:N/I:C/A:C",
-    "AV:L/AC:M/Au:N/C:N/I:C/A:N",
-    "AV:L/AC:M/Au:N/C:N/I:N/A:C",
-    "AV:L/AC:M/Au:N/C:N/I:N/A:P",
-    "AV:L/AC:M/Au:N/C:N/I:P/A:C",
-    "AV:L/AC:M/Au:N/C:N/I:P/A:N",
-    "AV:L/AC:M/Au:N/C:N/I:P/A:P",
-    "AV:L/AC:M/Au:N/C:P/I:N/A:N",
-    "AV:L/AC:M/Au:N/C:P/I:N/A:P",
-    "AV:L/AC:M/Au:N/C:P/I:P/A:C",
-    "AV:L/AC:M/Au:N/C:P/I:P/A:N",
-    "AV:L/AC:M/Au:N/C:P/I:P/A:P",
-    "AV:N/AC:H/Au:N/C:C/I:C/A:C",
-    "AV:N/AC:H/Au:N/C:N/I:N/A:C",
-    "AV:N/AC:H/Au:N/C:N/I:N/A:P",
-    "AV:N/AC:H/Au:N/C:N/I:P/A:N",
-    "AV:N/AC:H/Au:N/C:N/I:P/A:P",
-    "AV:N/AC:H/Au:N/C:P/I:N/A:N",
-    "AV:N/AC:H/Au:N/C:P/I:N/A:P",
-    "AV:N/AC:H/Au:N/C:P/I:P/A:N",
-    "AV:N/AC:H/Au:N/C:P/I:P/A:P",
-    "AV:N/AC:H/Au:S/C:N/I:P/A:N",
-    "AV:N/AC:H/Au:S/C:P/I:N/A:N",
-    "AV:N/AC:H/Au:S/C:P/I:P/A:N",
-    "AV:N/AC:H/Au:S/C:P/I:P/A:P",
-    "AV:N/AC:L/Au:N/C:C/I:C/A:C",
-    "AV:N/AC:L/Au:N/C:C/I:C/A:N",
-    "AV:N/AC:L/Au:N/C:C/I:N/A:C",
-    "AV:N/AC:L/Au:N/C:C/I:N/A:N",
-    "AV:N/AC:L/Au:N/C:N/I:C/A:C",
-    "AV:N/AC:L/Au:N/C:N/I:C/A:N",
-    "AV:N/AC:L/Au:N/C:N/I:N/A:C",
-    "AV:N/AC:L/Au:N/C:N/I:N/A:P",
-    "AV:N/AC:L/Au:N/C:N/I:P/A:N",
-    "AV:N/AC:L/Au:N/C:N/I:P/A:P",
-    "AV:N/AC:L/Au:N/C:P/I:N/A:C",
-    "AV:N/AC:L/Au:N/C:P/I:N/A:N",
-    "AV:N/AC:L/Au:N/C:P/I:N/A:P",
-    "AV:N/AC:L/Au:N/C:P/I:P/A:C",
-    "AV:N/AC:L/Au:N/C:P/I:P/A:N",
-    "AV:N/AC:L/Au:N/C:P/I:P/A:P",
-    "AV:N/AC:L/Au:S/C:C/I:C/A:C",
-    "AV:N/AC:L/Au:S/C:C/I:C/A:N",
-    "AV:N/AC:L/Au:S/C:C/I:C/A:P",
-    "AV:N/AC:L/Au:S/C:C/I:N/A:N",
-    "AV:N/AC:L/Au:S/C:C/I:P/A:C",
-    "AV:N/AC:L/Au:S/C:C/I:P/A:N",
-    "AV:N/AC:L/Au:S/C:N/I:C/A:C",
-    "AV:N/AC:L/Au:S/C:N/I:C/A:N",
-    "AV:N/AC:L/Au:S/C:N/I:N/A:C",
-    "AV:N/AC:L/Au:S/C:N/I:N/A:P",
-    "AV:N/AC:L/Au:S/C:N/I:P/A:C",
-    "AV:N/AC:L/Au:S/C:N/I:P/A:N",
-    "AV:N/AC:L/Au:S/C:N/I:P/A:P",
-    "AV:N/AC:L/Au:S/C:P/I:N/A:C",
-    "AV:N/AC:L/Au:S/C:P/I:N/A:N",
-    "AV:N/AC:L/Au:S/C:P/I:N/A:P",
-    "AV:N/AC:L/Au:S/C:P/I:P/A:C",
-    "AV:N/AC:L/Au:S/C:P/I:P/A:N",
-    "AV:N/AC:L/Au:S/C:P/I:P/A:P",
-    "AV:N/AC:M/Au:N/C:C/I:C/A:C",
-    "AV:N/AC:M/Au:N/C:C/I:C/A:N",
-    "AV:N/AC:M/Au:N/C:C/I:N/A:N",
-    "AV:N/AC:M/Au:N/C:C/I:P/A:P",
-    "AV:N/AC:M/Au:N/C:N/I:C/A:C",
-    "AV:N/AC:M/Au:N/C:N/I:C/A:N",
-    "AV:N/AC:M/Au:N/C:N/I:N/A:C",
-    "AV:N/AC:M/Au:N/C:N/I:N/A:P",
-    "AV:N/AC:M/Au:N/C:N/I:P/A:N",
-    "AV:N/AC:M/Au:N/C:N/I:P/A:P",
-    "AV:N/AC:M/Au:N/C:P/I:C/A:C",
-    "AV:N/AC:M/Au:N/C:P/I:N/A:N",
-    "AV:N/AC:M/Au:N/C:P/I:N/A:P",
-    "AV:N/AC:M/Au:N/C:P/I:P/A:C",
-    "AV:N/AC:M/Au:N/C:P/I:P/A:N",
-    "AV:N/AC:M/Au:N/C:P/I:P/A:P",
-    "AV:N/AC:M/Au:S/C:C/I:C/A:C",
-    "AV:N/AC:M/Au:S/C:C/I:N/A:C",
-    "AV:N/AC:M/Au:S/C:C/I:N/A:N",
-    "AV:N/AC:M/Au:S/C:N/I:C/A:C",
-    "AV:N/AC:M/Au:S/C:N/I:N/A:C",
-    "AV:N/AC:M/Au:S/C:N/I:N/A:P",
-    "AV:N/AC:M/Au:S/C:N/I:P/A:C",
-    "AV:N/AC:M/Au:S/C:N/I:P/A:N",
-    "AV:N/AC:M/Au:S/C:N/I:P/A:P",
-    "AV:N/AC:M/Au:S/C:P/I:N/A:N",
-    "AV:N/AC:M/Au:S/C:P/I:N/A:P",
-    "AV:N/AC:M/Au:S/C:P/I:P/A:C",
-    "AV:N/AC:M/Au:S/C:P/I:P/A:N",
-    "AV:N/AC:M/Au:S/C:P/I:P/A:P",
-
-    "CVSS:3.0/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.0/AV:A/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:L",
-    "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
-
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
-    "CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
-    "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
-  }
-
-  for _, test := range(passTests) {
-    t.Run(test, func(t *testing.T) {
-      vec, err := NewVector(test)
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      got := vec.String()
-      if got != test {
-        t.Errorf("got: \"%s\", exp: \"%s\"", got, test)
-      }
-    })
-  }
-
-  failTests := []struct {
-    val string
-    exp string
-  } {
-    {
-      val: "AV:A/junk/Au:S/C:C/I:C/A:C",
-      exp: "invalid CVSS vector: AV:A/junk/Au:S/C:C/I:C/A:C",
-    }, {
-      val: "CVSS:3.0/junk/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
-      exp: "invalid CVSS vector: CVSS:3.0/junk/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    }, {
-      val: "CVSS:3.1/AV:A/AC:H/junk/UI:N/S:U/C:H/I:H/A:H",
-      exp: "invalid CVSS vector: CVSS:3.1/AV:A/AC:H/junk/UI:N/S:U/C:H/I:H/A:H",
-    },
-  }
-
-  for _, test := range(failTests) {
-    t.Run(test.val, func(t *testing.T) {
-      got, err := NewVector(test.val)
-      if err != nil && err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      } else if err == nil {
-        t.Errorf("got \"%s\", exp error", got)
-      }
-    })
-  }
-}
diff --git a/internal/cvss/version.go b/internal/cvss/version.go
deleted file mode 100644
index c46c893..0000000
--- a/internal/cvss/version.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package cvss
-
-//go:generate stringer -linecomment -type=Version
-
-// CVSS version
-type Version byte
-
-const (
-  V20 Version = iota // 2.0
-  V30 // 3.0
-  V31 // 3.1
-)
diff --git a/internal/cvss/version_string.go b/internal/cvss/version_string.go
deleted file mode 100644
index 03e8904..0000000
--- a/internal/cvss/version_string.go
+++ /dev/null
@@ -1,25 +0,0 @@
-// Code generated by "stringer -linecomment -type=Version"; DO NOT EDIT.
-
-package cvss
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V20-0]
-	_ = x[V30-1]
-	_ = x[V31-2]
-}
-
-const _Version_name = "2.03.03.1"
-
-var _Version_index = [...]uint8{0, 3, 6, 9}
-
-func (i Version) String() string {
-	if i >= Version(len(_Version_index)-1) {
-		return "Version(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _Version_name[_Version_index[i]:_Version_index[i+1]]
-}
diff --git a/internal/cvss/version_test.go b/internal/cvss/version_test.go
deleted file mode 100644
index e010094..0000000
--- a/internal/cvss/version_test.go
+++ /dev/null
@@ -1,24 +0,0 @@
-package cvss
-
-import "testing"
-
-func TestVersionString(t *testing.T) {
-  tests := []struct {
-    val Version
-    exp string
-  } {
-    { V20, "2.0" },
-    { V30, "3.0" },
-    { V31, "3.1" },
-    { Version(255), "Version(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val.String(), func(t *testing.T) {
-      got := test.val.String()
-      if got != test.exp {
-        t.Errorf("got: \"%s\", exp: \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/cveid.go b/internal/feed/cveid.go
deleted file mode 100644
index 8796029..0000000
--- a/internal/feed/cveid.go
+++ /dev/null
@@ -1,112 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "fmt"
-  "regexp"
-  "strconv"
-)
-
-// CVE ID
-type CveId uint32
-
-var cveIdRe = regexp.MustCompile("\\ACVE-(\\d{4})-(\\d{1,8})\\z")
-
-// parse year component of CVE ID
-func parseCveIdYear(s string) (uint16, error) {
-  // parse year, check for error
-  year, err := strconv.ParseUint(s, 10, 16)
-  if err != nil {
-    return 0, err
-  }
-
-  // check bounds
-  if year < 2000 || year > 2127 {
-    return 0, fmt.Errorf("year out of bounds: %s", s)
-  }
-
-  // return value
-  return uint16(year), nil
-}
-
-// parse number component of CVE ID
-func parseCveIdNum(s string) (uint32, error) {
-  // parse number, check for error
-  num, err := strconv.ParseUint(s, 10, 32)
-  if err != nil {
-    return 0, err
-  }
-
-  // check bounds
-  if num > 0x01ffffff {
-    return 0, fmt.Errorf("number out of bounds: %d", num)
-  }
-
-  // return value
-  return uint32(num), nil
-}
-
-// Encode CVE ID as uint32.  
-func encodeCveId(year uint16, num uint32) uint32 {
-  return uint32((uint32((year - 2000) & 0x7f) << 25) | (num & 0x01ffffff))
-}
-
-// Create CVE ID from string.
-func NewCveId(s string) (CveId, error) {
-  // match components, check for error
-  md := cveIdRe.FindStringSubmatch(s)
-  if len(md) != 3 {
-    return CveId(0), fmt.Errorf("invalid CVE ID: %s", s)
-  }
-
-  // parse year, check for error
-  year, err := parseCveIdYear(md[1])
-  if err != nil {
-    return CveId(0), err
-  }
-
-  // parse number, check for error
-  num, err := parseCveIdNum(md[2])
-  if err != nil {
-    return CveId(0), err
-  }
-
-  // encode and return result
-  return CveId(encodeCveId(year, num)), nil
-}
-
-// Unmarshal CVE ID from JSON.
-func (me *CveId) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // parse year, check for error
-  r, err := NewCveId(s)
-  if err != nil {
-    return err
-  }
-
-  // serialize ID
-  *me = r
-
-  // return success
-  return nil
-}
-
-// Get year component.
-func (me CveId) Year() uint16 {
-  return uint16((uint32(me) >> 25) & 0x7f) + 2000
-}
-
-// Get number component.
-func (me CveId) Number() uint32 {
-  return (uint32(me) & 0x01ffffff)
-}
-
-// Return string representation of CVE ID.
-func (me CveId) String() string {
-  return fmt.Sprintf("CVE-%04d-%04d", me.Year(), me.Number())
-}
diff --git a/internal/feed/cveid_test.go b/internal/feed/cveid_test.go
deleted file mode 100644
index 8df3642..0000000
--- a/internal/feed/cveid_test.go
+++ /dev/null
@@ -1,295 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "fmt"
-  "strconv"
-  "testing"
-)
-
-func TestParseCveIdYear(t *testing.T) {
-  if got, err := parseCveIdYear("asdf"); err == nil {
-    t.Errorf("got %d, exp error", got)
-    return
-  }
-
-  goodTests := []struct {
-    val string
-    exp uint16
-  } {
-    { "2000", 2000 },
-    { "2001", 2001 },
-    { "2100", 2100 },
-  }
-
-  for _, test := range(goodTests) {
-    t.Run(test.val, func(t *testing.T) {
-      got, err := parseCveIdYear(test.val)
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got %d, exp %d", got, test.exp)
-        return
-      }
-    })
-  }
-
-  badTests := []struct {
-    val string
-    exp string
-  } {
-    { "0000", "year out of bounds: 0000" },
-    { "0001", "year out of bounds: 0001" },
-    { "1999", "year out of bounds: 1999" },
-    { "2128", "year out of bounds: 2128" },
-    { "9999", "year out of bounds: 9999" },
-  }
-
-  for _, test := range(badTests) {
-    t.Run(test.val, func(t *testing.T) {
-      if got, err := parseCveIdYear(test.val); err == nil {
-        t.Errorf("got %d, exp error", got)
-        return
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-}
-
-func TestParseCveIdNum(t *testing.T) {
-  if got, err := parseCveIdNum("asdf"); err == nil {
-    t.Errorf("got %d, exp error", got)
-    return
-  }
-
-  goodTests := []struct {
-    val string
-    exp uint32
-  } {
-    { "0", 0 },
-    { "0001", 1 },
-    { "2100", 2100 },
-    { "999999", 999999 },
-    { "33554431", 33554431 },
-  }
-
-  for _, test := range(goodTests) {
-    t.Run(test.val, func(t *testing.T) {
-      got, err := parseCveIdNum(test.val)
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got %d, exp %d", got, test.exp)
-        return
-      }
-    })
-  }
-
-  badTests := []struct {
-    val string
-    exp string
-  } {
-    { "33554432", "number out of bounds: 33554432" },
-    { "99999999", "number out of bounds: 99999999" },
-  }
-
-  for _, test := range(badTests) {
-    t.Run(test.val, func(t *testing.T) {
-      if got, err := parseCveIdNum(test.val); err == nil {
-        t.Errorf("got %d, exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-}
-
-func TestNewCveId(t *testing.T) {
-  badMatchTests := []string {
-    "",
-    "\nCVE-2002-1234",
-    "CVE-2002-1234\n",
-    "CVE20021234\n",
-    "asdf",
-  }
-
-  for _, test := range(badMatchTests) {
-    t.Run(test, func(t *testing.T) {
-      exp := fmt.Sprintf("invalid CVE ID: %s", test)
-      if got, err := NewCveId(test); err == nil {
-        t.Errorf("got %s, exp error", got)
-      } else if err.Error() != exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-      }
-    })
-  }
-
-  badYearTests := []struct {
-    val string
-    exp string
-  } {
-    { "CVE-0000-1234", "year out of bounds: 0000" },
-    { "CVE-1999-1234", "year out of bounds: 1999" },
-    { "CVE-2128-1234", "year out of bounds: 2128" },
-    { "CVE-9999-1234", "year out of bounds: 9999" },
-  }
-
-  for _, test := range(badYearTests) {
-    t.Run(test.val, func(t *testing.T) {
-      if got, err := NewCveId(test.val); err == nil {
-        t.Errorf("got %s, exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-
-  badNumTests := []struct {
-    val string
-    exp string
-  } {
-    { "CVE-2000-33554432", "number out of bounds: 33554432" },
-    { "CVE-2000-99999999", "number out of bounds: 99999999" },
-  }
-
-  for _, test := range(badNumTests) {
-    t.Run(test.val, func(t *testing.T) {
-      if got, err := NewCveId(test.val); err == nil {
-        t.Errorf("got %s, exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-
-  goodTests := []string {
-    "CVE-2000-0",
-    "CVE-2127-0",
-    "CVE-2000-33554431",
-    "CVE-2127-33554431",
-  }
-
-  for _, val := range(goodTests) {
-    t.Run(val, func(t *testing.T) {
-      if _, err := NewCveId(val); err != nil {
-        t.Error(err)
-      }
-    })
-  }
-}
-func TestCveIdYear(t *testing.T) {
-  for year := 2000; year < 2127; year++ {
-    t.Run(strconv.FormatInt(int64(year), 10), func(t *testing.T) {
-      // expected value
-      exp := uint16(year)
-
-      // build cve id, check for error
-      id, err := NewCveId(fmt.Sprintf("CVE-%04d-0000", year))
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      // check year
-      got := id.Year()
-      if got != exp {
-        t.Errorf("got %d, exp %d", got, exp)
-      }
-    })
-  }
-}
-
-func TestCveIdNumber(t *testing.T) {
-  for num := 0; num < 99999; num++ {
-    t.Run(strconv.FormatInt(int64(num), 10), func(t *testing.T) {
-      // expected value
-      exp := uint32(num)
-
-      // build cve id, check for error
-      id, err := NewCveId(fmt.Sprintf("CVE-2000-%04d", num))
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      // check number
-      got := id.Number()
-      if got != exp {
-        t.Errorf("got %d, exp %d", got, exp)
-      }
-    })
-  }
-}
-
-func TestCveIdUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val CveId
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestCveIdUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "invalid CVE ID: foo"
-  var val CveId
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestCveIdUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    expYear uint16
-    expNum uint32
-    exp string
-  } {
-    { "\"CVE-2000-0\"", 2000, 0, "CVE-2000-0000" },
-    { "\"CVE-2000-1234\"", 2000, 1234, "CVE-2000-1234" },
-    { "\"CVE-2000-33554431\"", 2000, 33554431, "CVE-2000-33554431" },
-    { "\"CVE-2127-0\"", 2127, 0, "CVE-2127-0000" },
-    { "\"CVE-2127-1234\"", 2127, 1234, "CVE-2127-1234" },
-    { "\"CVE-2127-33554431\"", 2127, 33554431, "CVE-2127-33554431" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got CveId
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      // check year
-      if got.Year() != test.expYear {
-        t.Errorf("got \"%d\", exp \"%d\"", got.Year(), test.expYear)
-      }
-
-      // check year
-      if got.Number() != test.expNum {
-        t.Errorf("got \"%d\", exp \"%d\"", got.Number(), test.expNum)
-      }
-
-      // check string
-      if got.String() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got.String(), test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/dataformat.go b/internal/feed/dataformat.go
deleted file mode 100644
index bb3f8f8..0000000
--- a/internal/feed/dataformat.go
+++ /dev/null
@@ -1,36 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=DataFormat
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// Data format for NVD feeds and feed items.
-type DataFormat byte
-
-const (
-  MitreFormat DataFormat = iota // MITRE
-)
-
-// Unmarshal DataFormat from JSON.
-func (me *DataFormat) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "MITRE":
-    *me = MitreFormat
-  default:
-    // return error
-    return fmt.Errorf("unknown data format: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/dataformat_string.go b/internal/feed/dataformat_string.go
deleted file mode 100644
index 4b755f4..0000000
--- a/internal/feed/dataformat_string.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// Code generated by "stringer -linecomment -type=DataFormat"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[MitreFormat-0]
-}
-
-const _DataFormat_name = "MITRE"
-
-var _DataFormat_index = [...]uint8{0, 5}
-
-func (i DataFormat) String() string {
-	if i >= DataFormat(len(_DataFormat_index)-1) {
-		return "DataFormat(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _DataFormat_name[_DataFormat_index[i]:_DataFormat_index[i+1]]
-}
diff --git a/internal/feed/dataformat_test.go b/internal/feed/dataformat_test.go
deleted file mode 100644
index efb4986..0000000
--- a/internal/feed/dataformat_test.go
+++ /dev/null
@@ -1,65 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestDataFormatUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val DataFormat
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestDataFormatUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown data format: foo"
-  var val DataFormat
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestDataFormatUnmarshalValid(t *testing.T) {
-  test := []byte(`"MITRE"`)
-  exp := MitreFormat
-  var got DataFormat
-
-  if err := json.Unmarshal(test, &got); err != nil {
-    t.Error(err)
-    return
-  }
-
-  if got != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", got, exp)
-  }
-}
-
-func TestDataFormatString(t *testing.T) {
-  tests := []struct {
-    val DataFormat
-    exp string
-  } {
-    { MitreFormat, "MITRE" },
-    { DataFormat(255), "DataFormat(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val.String(), func(t *testing.T) {
-      got := test.val.String()
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/datatype.go b/internal/feed/datatype.go
deleted file mode 100644
index 6eaa145..0000000
--- a/internal/feed/datatype.go
+++ /dev/null
@@ -1,36 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=DataType
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// Data type for NVD feeds and feed items.
-type DataType byte
-
-const (
-  CveType DataType = iota // CVE
-)
-
-// Unmarshal DataType from JSON.
-func (me *DataType) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "CVE":
-    *me = CveType
-  default:
-    // return error
-    return fmt.Errorf("unknown data type: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/datatype_string.go b/internal/feed/datatype_string.go
deleted file mode 100644
index f126add..0000000
--- a/internal/feed/datatype_string.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// Code generated by "stringer -linecomment -type=DataType"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[CveType-0]
-}
-
-const _DataType_name = "CVE"
-
-var _DataType_index = [...]uint8{0, 3}
-
-func (i DataType) String() string {
-	if i >= DataType(len(_DataType_index)-1) {
-		return "DataType(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _DataType_name[_DataType_index[i]:_DataType_index[i+1]]
-}
diff --git a/internal/feed/datatype_test.go b/internal/feed/datatype_test.go
deleted file mode 100644
index 05f6a74..0000000
--- a/internal/feed/datatype_test.go
+++ /dev/null
@@ -1,65 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestDataTypeUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val DataType
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestDataTypeUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown data type: foo"
-  var val DataType
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestDataTypeUnmarshalValid(t *testing.T) {
-  test := []byte(`"CVE"`)
-  exp := CveType
-  var got DataType
-
-  if err := json.Unmarshal(test, &got); err != nil {
-    t.Error(err)
-    return
-  }
-
-  if got != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", got, exp)
-  }
-}
-
-func TestDataTypeString(t *testing.T) {
-  tests := []struct {
-    val DataType
-    exp string
-  } {
-    { CveType, "CVE" },
-    { DataType(255), "DataType(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val.String(), func(t *testing.T) {
-      got := test.val.String()
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/dataversion.go b/internal/feed/dataversion.go
deleted file mode 100644
index c6f1b8d..0000000
--- a/internal/feed/dataversion.go
+++ /dev/null
@@ -1,36 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=DataVersion
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// Data version for NVD feeds and feed items.
-type DataVersion byte
-
-const (
-  V40 DataVersion = iota // 4.0
-)
-
-// Unmarshal data version from JSON.
-func (me *DataVersion) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "4.0":
-    *me = V40
-  default:
-    // return error
-    return fmt.Errorf("unknown data version: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/dataversion_string.go b/internal/feed/dataversion_string.go
deleted file mode 100644
index 26a0fdb..0000000
--- a/internal/feed/dataversion_string.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// Code generated by "stringer -linecomment -type=DataVersion"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V40-0]
-}
-
-const _DataVersion_name = "4.0"
-
-var _DataVersion_index = [...]uint8{0, 3}
-
-func (i DataVersion) String() string {
-	if i >= DataVersion(len(_DataVersion_index)-1) {
-		return "DataVersion(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _DataVersion_name[_DataVersion_index[i]:_DataVersion_index[i+1]]
-}
diff --git a/internal/feed/dataversion_test.go b/internal/feed/dataversion_test.go
deleted file mode 100644
index 6bf683c..0000000
--- a/internal/feed/dataversion_test.go
+++ /dev/null
@@ -1,65 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestDataVersionUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val DataVersion
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestDataVersionUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown data version: foo"
-  var val DataVersion
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestDataVersionUnmarshalValid(t *testing.T) {
-  test := []byte(`"4.0"`)
-  exp := V40
-  var got DataVersion
-
-  if err := json.Unmarshal(test, &got); err != nil {
-    t.Error(err)
-    return
-  }
-
-  if got != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", got, exp)
-  }
-}
-
-func TestDataVersionString(t *testing.T) {
-  tests := []struct {
-    val DataVersion
-    exp string
-  } {
-    { V40, "4.0" },
-    { DataVersion(255), "DataVersion(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val.String(), func(t *testing.T) {
-      got := test.val.String()
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/feed.go b/internal/feed/feed.go
deleted file mode 100644
index bdf260c..0000000
--- a/internal/feed/feed.go
+++ /dev/null
@@ -1,255 +0,0 @@
-// NVD JSON feed parser.
-package feed
-
-// import "nvd/internal/cvss"
-
-// TODO: parse cpe
-
-// CVE metadata
-type CveMetadata struct {
-  // CVE ID
-  Id        CveId `json:"ID"`
-
-  // CVE assigner email address
-  Assigner  string `json:"ASSIGNER"`
-}
-
-// CVE description string.
-type Description struct {
-  // Language code
-  Lang  string `json:"lang"`
-
-  // String value
-  Value string `json:"value"`
-}
-
-// CVE problem type
-type CveProblemType struct {
-  // problem type descriptions
-  Descriptions []Description `json:"description"`
-}
-
-// Slice of CVE problem types.
-type CveProblemTypes struct {
-  // problem types
-  ProblemTypes []CveProblemType `json:"problemtype_data"`
-}
-
-// CVE reference
-type CveReference struct {
-  // reference URL
-  Url       string    `json:"url"`
-
-  // reference name
-  Name      string    `json:"name"`
-
-  // reference source
-  RefSource string    `json:"refsource"`
-
-  // tags
-  Tags      []string  `json:"tags"`
-}
-
-// Slice of CVE references
-type CveReferences struct {
-  References []CveReference `json:"reference_data"`
-}
-
-// CVE item descriptions
-type CveDescription struct {
-  // slice of descriptions
-  Descriptions  []Description `json:"description_data"`
-}
-
-// CVE data
-type Cve struct {
-  // feed data type
-  DataType      DataType        `json:"CVE_data_type"`
-
-  // feed data format
-  DataFormat    DataFormat      `json:"CVE_data_format"`
-
-  // feed data format version
-  DataVersion   DataVersion     `json:"CVE_data_version"`
-
-  // CVE metadata
-  Metadata      CveMetadata     `json:"CVE_data_meta"`
-
-  // CVE problem types
-  ProblemTypes CveProblemTypes  `json:"problemtype"`
-
-  // CVE references
-  References   CveReferences    `json:"references"`
-
-  // CVE description
-  Description  CveDescription   `json:"description"`
-}
-
-// CPE match
-type CpeMatch struct {
-  // Vulnerable?
-  Vulnerable bool `json:"vulnerable"`
-
-  VersionEndExcluding string `json:"versionEndExcluding"`
-
-  // CPE URI (FIXME: decode this)
-  Cpe23Uri string `json:"cpe23Uri"`
-
-  // CPE names (not sure if this is correct)
-  Names []string `json:"cpe_name"`
-}
-
-// CVE item configuration node
-type ConfigurationNode struct {
-  // node operator
-  Operator NodeOp `json:"operator"`
-
-  // node children
-  Children []ConfigurationNode `json:"children"`
-
-  CpeMatches []CpeMatch `json:"cpe_match"`
-}
-
-// CVE item configurations
-type ItemConfigurations struct {
-  // data version
-  DataVersion DataVersion `json:"CVE_data_version"`
-
-  // slice of configuration nodes
-  Nodes []ConfigurationNode `json:"nodes"`
-}
-
-// CVSS V3
-type CvssV3 struct {
-  // CVSS V3 version
-  Version V3Version `json:"version"`
-
-  // CVSS V3 vector string
-  // VectorString string `json:"vectorString"`
-
-  // CVSS vector
-  Vector Vector `json:"vectorString"`
-
-  // attack vector
-  AttackVector V3AttackVector `json:"attackVector"`
-
-  // attack complexity
-  AttackComplexity V3AttackComplexity `json:"attackComplexity"`
-
-  // privileges required
-  PrivilegesRequired V3PrivilegesRequired `json:"privilegesRequired"`
-
-  // user interaction
-  UserInteraction V3UserInteraction `json:"userInteraction"`
-
-  // scope
-  Scope V3Scope `json:"scope"`
-
-  // integrity impact
-  IntegrityImpact V3Impact `json:"integrityImpact"`
-
-  // availability impact
-  AvailabilityImpact V3Impact `json:"availabilityImpact"`
-
-  // base score
-  BaseScore Score `json:"baseScore"`
-
-  // base severity
-  BaseSeverity Severity `json:"baseSeverity"`
-}
-
-// CVSS V3 base metrics
-type BaseMetricV3 struct {
-  CvssV3                CvssV3  `json:"cvssV3"`
-  ExploitabilityScore   Score   `json:"exploitabilityScore"`
-  ImpactScore           Score   `json:"impactScore"`
-}
-
-// CVSS V2
-type CvssV2 struct {
-  // CVSS V2 version
-  Version V2Version `json:"version"`
-
-  // CVSS vector string
-  // VectorString string `json:"vectorString"`
-
-  // CVSS vector
-  Vector Vector `json:"vectorString"`
-
-  // attack vector
-  AccessVector V2AccessVector `json:"accessVector"`
-
-  // attack complexity
-  AccessComplexity V2AccessComplexity `json:"accessComplexity"`
-
-  // authentication
-  Authentication V2Authentication `json:"authentication"`
-
-  ConfidentialityImpact V2Impact `json:"confidentialityImpact"`
-  IntegrityImpact V2Impact `json:"integrityImpact"`
-  AvailabilityImpact V2Impact `json:"availabilityImpact"`
-
-  // base score
-  BaseScore Score `json:"baseScore"`
-}
-
-// CVSS V2 base metrics
-type BaseMetricV2 struct {
-  CvssV2                  CvssV2    `json:"cvssV2"`
-  Severity                Severity  `json:"severity"`
-  ExploitabilityScore     Score     `json:"exploitabilityScore"`
-  ImpactScore             Score     `json:"impactScore"`
-  InsufficientInfo        bool      `json:"acInsufInfo"`
-  ObtainAllPrivilege      bool      `json:"obtainAllPrivilege"`
-  ObtainUserPrivilege     bool      `json:"obtainUserPrivilege"`
-  ObtainOtherPrivilege    bool      `json:"obtainOtherPrivilege"`
-  UserInteractionRequired bool      `json:"userInteractionRequired"`
-}
-
-// Item impact
-type Impact struct {
-  // CVSS V3 base metrics
-  BaseMetricV3 BaseMetricV3 `json:"baseMetricV3"`
-
-  // CVSS V2 base metrics
-  BaseMetricV2 BaseMetricV2 `json:"baseMetricV2"`
-}
-
-// CVE feed item
-type Item struct {
-  // item CVE data
-  Cve Cve `json:"cve"`
-
-  // item configuration
-  Configurations ItemConfigurations `json:"configurations"`
-
-  // item impact
-  Impact Impact `json:"impact"`
-
-  // item published date
-  PublishedDate Time `json:"publishedDate"`
-
-  // last modification date
-  LastModifiedDate Time `json:"lastModifiedDate"`
-}
-
-// NVD feed
-type Feed struct {
-  // feed data type
-  DataType      DataType    `json:"CVE_data_type"`
-
-  // feed data format
-  DataFormat    DataFormat  `json:"CVE_data_format"`
-
-  // feed data format version
-  DataVersion   DataVersion `json:"CVE_data_version"`
-
-  // number of CVEs in feed
-  NumCVEs       uint64      `json:"CVE_data_numberOfCVEs,string"`
-
-  // data timestamp
-  Timestamp     Time        `json:"CVE_data_timestamp"`
-
-  // CVE items
-  Items         []Item      `json:"CVE_Items"`
-}
diff --git a/internal/feed/feed_test.go b/internal/feed/feed_test.go
deleted file mode 100644
index f31a3ae..0000000
--- a/internal/feed/feed_test.go
+++ /dev/null
@@ -1,56 +0,0 @@
-package feed
-
-import (
-  "compress/gzip"
-  "encoding/json"
-  "io"
-  // "fmt"
-  "os"
-  "testing"
-)
-
-func openTest(path string) (io.Reader, error) {
-  // open file for reading
-  file, err := os.Open(path)
-  if err != nil {
-    return nil, err
-  }
-
-  // wrap in reader, return success
-  return gzip.NewReader(file)
-}
-
-// Test feed parser
-func TestFeedParser(t *testing.T) {
-  t.Run("TestUnmarshalJSON", func(t *testing.T) {
-    var f Feed
-
-    // read test data, check for error
-    src, err := openTest("testdata/nvdcve-1.1-2021.json.gz")
-    if err != nil {
-      t.Error(err)
-    }
-
-    // decode cve feed, check for error
-    d := json.NewDecoder(src)
-    if err := d.Decode(&f); err != nil {
-      t.Error(err)
-    }
-  })
-//   var f Feed
-// 
-//   // decode cve feed
-//   d := json.NewDecoder(os.Stdin)
-//   if err := d.Decode(&f); err != nil {
-//     t.Error(err)
-//   }
-// 
-//   var dst bytes.Buffer
-// 
-//   // create json encoder
-//   e := json.NewEncoder(&dst)
-//   if err := e.Encode(f); err != nil {
-//     t.Error(err)
-//   }
-}
-
diff --git a/internal/feed/meta.go b/internal/feed/meta.go
deleted file mode 100644
index fd46025..0000000
--- a/internal/feed/meta.go
+++ /dev/null
@@ -1,106 +0,0 @@
-package feed
-
-import (
-  "bufio"
-  "encoding/hex"
-  "fmt"
-  "io"
-  "strconv"
-  "strings"
-  "time"
-)
-
-// NVD metadata.
-type Meta struct {
-  LastModifiedDate  time.Time // last modified time
-  Size              uint64    // uncompressed size, in bytes
-  ZipSize           uint64    // zip file size, in bytes
-  GzSize            uint64    // gz file size, in bytes
-  Sha256            [32]byte  // sha256 hash of uncompressed data
-}
-
-func parseMetaSize(name, val string) (uint64, error) {
-  // parse value, check for error
-  v, err := strconv.ParseUint(val, 10, 64)
-  if err == nil {
-    // return size
-    return v, nil
-  } else {
-    // return error
-    return 0, fmt.Errorf("invalid %s: \"%s\"", name, val)
-  }
-}
-
-// Unmarshal new Metadata from reader.
-func NewMeta(r io.Reader) (*Meta, error) {
-  // declare result
-  var m Meta
-
-  // create scanner
-  scanner := bufio.NewScanner(r)
-
-  // read lines
-  for scanner.Scan() {
-    // split into key/value pair, check for error
-    pair := strings.SplitN(scanner.Text(), ":", 2)
-    if len(pair) != 2 {
-      return nil, fmt.Errorf("bad meta line: \"%s\"", scanner.Text())
-    }
-
-    switch pair[0] {
-    case "lastModifiedDate":
-      // parse time, check for error
-      if err := m.LastModifiedDate.UnmarshalText([]byte(pair[1])); err != nil {
-        return nil, err
-      }
-    case "size":
-      if v, err := parseMetaSize("size", pair[1]); err == nil {
-        m.Size = v
-      } else {
-        return nil, err
-      }
-    case "zipSize":
-      if v, err := parseMetaSize("zipSize", pair[1]); err == nil {
-        m.ZipSize = v
-      } else {
-        return nil, err
-      }
-    case "gzSize":
-      if v, err := parseMetaSize("gzSize", pair[1]); err == nil {
-        m.GzSize = v
-      } else {
-        return nil, err
-      }
-    case "sha256":
-      // check hash length
-      if len(pair[1]) != 64 {
-        return nil, fmt.Errorf("invalid sha256 hash length: %d", len(pair[1]))
-      }
-
-      // decode hex, check for error
-      buf, err := hex.DecodeString(pair[1])
-      if err != nil {
-        return nil, fmt.Errorf("invalid sha256 hash: %v", err)
-      }
-
-      // save to buffer, check for error
-      len := copy(m.Sha256[:], buf[0:32])
-      if len != 32 {
-        // difficult to test, but this basically doesn't happen, see here:
-        // https://github.com/golang/go/blob/2ebe77a2fda1ee9ff6fd9a3e08933ad1ebaea039/src/runtime/slice.go#L247
-        return nil, fmt.Errorf("invalid copy length: %d", len)
-      }
-    default:
-      // return error
-      return nil, fmt.Errorf("unknown key: \"%s\"", pair[0])
-    }
-  }
-
-  // check for scanner error
-  if err := scanner.Err(); err != nil {
-    return nil, err
-  }
-
-  // return success
-  return &m, nil
-}
diff --git a/internal/feed/meta_test.go b/internal/feed/meta_test.go
deleted file mode 100644
index 3ea5acb..0000000
--- a/internal/feed/meta_test.go
+++ /dev/null
@@ -1,149 +0,0 @@
-package feed
-
-import (
-  "bytes"
-  "encoding/json"
-  "fmt"
-  "testing"
-)
-
-func TestParseMetaSize(t *testing.T) {
-  passTests := []struct {
-    val string
-    exp uint64
-  } {
-    { "0", 0 },
-    { "1024", 1024 },
-    { "18446744073709551615", 18446744073709551615 },
-  }
-
-  for _, test := range(passTests) {
-    t.Run(test.val, func(t *testing.T) {
-      got, err := parseMetaSize("foo", test.val)
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got %d, exp %d", got, test.exp)
-        return
-      }
-    })
-  }
-
-  failTests := []struct {
-    val string
-    exp string
-  } {
-    { "-1", "invalid foo: \"-1\"" },
-    { "a", "invalid foo: \"a\"" },
-    { "18446744073709551616", "invalid foo: \"18446744073709551616\"" },
-  }
-
-  for _, test := range(failTests) {
-    t.Run(test.val, func(t *testing.T) {
-      got, err := parseMetaSize("foo", test.val)
-      if err == nil {
-        t.Errorf("got %d, exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-}
-
-// test data
-const testMeta = `lastModifiedDate:2022-01-29T03:01:16-05:00
-size:73202582
-zipSize:3753799
-gzSize:3753663
-sha256:B86258D5D9861507A1894A7B92011764803D7267787B1487539E240EA2405440
-`
-
-// Test meta parser
-func TestNewMeta(t *testing.T) {
-  passTests := []string {
-    `lastModifiedDate:2022-01-29T03:01:16-05:00
-size:73202582
-zipSize:3753799
-gzSize:3753663
-sha256:B86258D5D9861507A1894A7B92011764803D7267787B1487539E240EA2405440
-`,
-  }
-
-  for i, val := range(passTests) {
-    // build test name
-    name := fmt.Sprintf("passTests[%d]", i)
-
-    t.Run(name, func(t *testing.T) {
-      // create buffer
-      buf := bytes.NewBufferString(val)
-
-      // decode meta, check for error
-      _, err := NewMeta(buf)
-      if err != nil {
-        t.Error(err)
-      }
-    })
-  }
-
-  // build 65k token to make scanner fail
-  longVal := make([]byte, 65536)
-  for i := 0; i < cap(longVal); i++ {
-    longVal[i] = 'a'
-  }
-
-  failTests := []struct {
-    val string
-    exp string
-  } {
-    { "asdf", "bad meta line: \"asdf\"" },
-    { "lastModifiedDate:asdf", "parsing time \"asdf\" as \"2006-01-02T15:04:05Z07:00\": cannot parse \"asdf\" as \"2006\"" },
-    { "size:a", "invalid size: \"a\"" },
-    { "zipSize:a", "invalid zipSize: \"a\"" },
-    { "gzSize:a", "invalid gzSize: \"a\"" },
-    { "sha256:a", "invalid sha256 hash length: 1" },
-    {
-      val: "sha256:0z00000000000000000000000000000000000000000000000000000000000000",
-      exp: "invalid sha256 hash: encoding/hex: invalid byte: U+007A 'z'",
-    },
-    { string(longVal), "bufio.Scanner: token too long" },
-    { "foo:bar", "unknown key: \"foo\"" },
-  }
-
-  for _, test := range(failTests) {
-    t.Run(test.val, func(t *testing.T) {
-      // create buffer
-      buf := bytes.NewBufferString(test.val)
-
-      // decode meta, check for error
-      got, err := NewMeta(buf)
-      if err == nil {
-        t.Errorf("got %v, exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-
-  t.Run("JsonEncode", func(t *testing.T) {
-    // create buffer
-    buf := bytes.NewBufferString(passTests[0])
-
-    // decode meta, check for error
-    meta, err := NewMeta(buf)
-    if err != nil {
-      t.Error(err)
-    }
-
-    // create destination buffer
-    var dst bytes.Buffer
-
-    // create json encoder
-    e := json.NewEncoder(&dst)
-    if err := e.Encode(meta); err != nil {
-      t.Error(err)
-    }
-  })
-}
diff --git a/internal/feed/nodeop.go b/internal/feed/nodeop.go
deleted file mode 100644
index 8bfa0a0..0000000
--- a/internal/feed/nodeop.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=NodeOp
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// Node boolean operator.
-type NodeOp byte
-
-const (
-  OrOp NodeOp = iota  // OR
-  AndOp               // AND
-)
-
-// Unmarshal DataVersion from JSON.
-func (me *NodeOp) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "AND":
-    *me = AndOp
-  case "OR":
-    *me = OrOp
-  default:
-    // return error
-    return fmt.Errorf("unknown operator: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/nodeop_string.go b/internal/feed/nodeop_string.go
deleted file mode 100644
index 2c120d4..0000000
--- a/internal/feed/nodeop_string.go
+++ /dev/null
@@ -1,24 +0,0 @@
-// Code generated by "stringer -linecomment -type=NodeOp"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[OrOp-0]
-	_ = x[AndOp-1]
-}
-
-const _NodeOp_name = "ORAND"
-
-var _NodeOp_index = [...]uint8{0, 2, 5}
-
-func (i NodeOp) String() string {
-	if i >= NodeOp(len(_NodeOp_index)-1) {
-		return "NodeOp(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _NodeOp_name[_NodeOp_index[i]:_NodeOp_index[i+1]]
-}
diff --git a/internal/feed/nodeop_test.go b/internal/feed/nodeop_test.go
deleted file mode 100644
index dd538e5..0000000
--- a/internal/feed/nodeop_test.go
+++ /dev/null
@@ -1,77 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestNodeOpUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val NodeOp
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestNodeOpUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown operator: foo"
-  var val NodeOp
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestNodeOpUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp NodeOp
-  } {
-    { "\"AND\"", AndOp },
-    { "\"OR\"", OrOp },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got NodeOp
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestNodeOpString(t *testing.T) {
-  tests := []struct {
-    val NodeOp
-    exp string
-  } {
-    { AndOp, "AND" },
-    { OrOp, "OR" },
-
-    { NodeOp(255), "NodeOp(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/score.go b/internal/feed/score.go
deleted file mode 100644
index 051522f..0000000
--- a/internal/feed/score.go
+++ /dev/null
@@ -1,34 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "fmt"
-  "math"
-  "strconv"
-)
-
-// CVSS score
-type Score uint8
-
-// Unmarshal CVSS score from JSON.
-func (me *Score) UnmarshalJSON(b []byte) error {
-  // decode float, check for error
-  var v float64
-  if err := json.Unmarshal(b, &v); err != nil {
-    return err
-  }
-
-  // check score
-  if v < 0.0 || v > 10.0 {
-    return fmt.Errorf("CVSS score out of bounds: %2.1f", v)
-  }
-
-  // save result, return success
-  *me = Score(uint8(math.Trunc(10.0 * v)))
-  return nil
-}
-
-func (me Score) String() string {
-  val := float64(me) / 10.0
-  return strconv.FormatFloat(val, 'f', 1, 64)
-}
diff --git a/internal/feed/score_test.go b/internal/feed/score_test.go
deleted file mode 100644
index 2baa7ab..0000000
--- a/internal/feed/score_test.go
+++ /dev/null
@@ -1,92 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestScoreUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val Score
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestScoreUnmarshalInvalidValues(t *testing.T) {
-  tests := []struct {
-    val string
-    exp string
-  } {
-    { `-100.0`, "CVSS score out of bounds: -100.0" },
-    { `-90.0`, "CVSS score out of bounds: -90.0" },
-    { `-9.3`, "CVSS score out of bounds: -9.3" },
-    { `-1`, "CVSS score out of bounds: -1.0" },
-    { `10.1`, "CVSS score out of bounds: 10.1" },
-    { `100.0`, "CVSS score out of bounds: 100.0" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got Score
-
-      if err := json.Unmarshal([]byte(test.val), &got); err == nil {
-        t.Errorf("got \"%s\", exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-}
-
-func TestScoreUnmarshalValidValues(t *testing.T) {
-  tests := []struct {
-    val string
-    exp uint8
-  } {
-    { `0.0`, 0 },
-    { `0.1`, 1 },
-    { `1.2`, 12 },
-    { `5.9`, 59 },
-    { `9.9`, 99 },
-    { `10.0`, 100 },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got Score
-
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      } else if uint8(got) != test.exp {
-        t.Errorf("got \"%d\", exp \"%d\"", uint8(got), test.exp)
-      }
-    })
-  }
-}
-
-func TestScoreString(t *testing.T) {
-  tests := []struct {
-    val uint8
-    exp string
-  } {
-    { 0, "0.0" },
-    { 1, "0.1" },
-    { 9, "0.9" },
-    { 12, "1.2" },
-    { 59, "5.9" },
-    { 99, "9.9" },
-    { 100, "10.0" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := Score(test.val).String()
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/severity.go b/internal/feed/severity.go
deleted file mode 100644
index 50969ed..0000000
--- a/internal/feed/severity.go
+++ /dev/null
@@ -1,47 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=Severity
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-type Severity byte
-
-const (
-  SeverityNone Severity = iota // NONE
-  SeverityLow // LOW
-  SeverityMedium // MEDIUM
-  SeverityHigh // HIGH
-  SeverityCritical // CRITICAL
-)
-
-// Unmarshal CVSS severity from JSON.
-func (me *Severity) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "NONE":
-    *me = SeverityNone
-  case "LOW":
-    *me = SeverityLow
-  case "MEDIUM":
-    *me = SeverityMedium
-  case "HIGH":
-    *me = SeverityHigh
-  case "CRITICAL":
-    *me = SeverityCritical
-  default:
-    // return error
-    return fmt.Errorf("unknown severity: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/severity_string.go b/internal/feed/severity_string.go
deleted file mode 100644
index 28e1e91..0000000
--- a/internal/feed/severity_string.go
+++ /dev/null
@@ -1,27 +0,0 @@
-// Code generated by "stringer -linecomment -type=Severity"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[SeverityNone-0]
-	_ = x[SeverityLow-1]
-	_ = x[SeverityMedium-2]
-	_ = x[SeverityHigh-3]
-	_ = x[SeverityCritical-4]
-}
-
-const _Severity_name = "NONELOWMEDIUMHIGHCRITICAL"
-
-var _Severity_index = [...]uint8{0, 4, 7, 13, 17, 25}
-
-func (i Severity) String() string {
-	if i >= Severity(len(_Severity_index)-1) {
-		return "Severity(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _Severity_name[_Severity_index[i]:_Severity_index[i+1]]
-}
diff --git a/internal/feed/severity_test.go b/internal/feed/severity_test.go
deleted file mode 100644
index 75aec72..0000000
--- a/internal/feed/severity_test.go
+++ /dev/null
@@ -1,83 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestSeverityUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val Severity
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestSeverityUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown severity: foo"
-  var val Severity
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestSeverityUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp Severity
-  } {
-    { "\"NONE\"", SeverityNone },
-    { "\"LOW\"", SeverityLow },
-    { "\"MEDIUM\"", SeverityMedium },
-    { "\"HIGH\"", SeverityHigh },
-    { "\"CRITICAL\"", SeverityCritical },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got Severity
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestSeverityString(t *testing.T) {
-  tests := []struct {
-    val Severity
-    exp string
-  } {
-    { SeverityNone, "NONE" },
-    { SeverityLow, "LOW" },
-    { SeverityMedium, "MEDIUM" },
-    { SeverityHigh, "HIGH" },
-    { SeverityCritical, "CRITICAL" },
-
-    { Severity(255), "Severity(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/testdata/nvdcve-1.1-2002.json.gz b/internal/feed/testdata/nvdcve-1.1-2002.json.gz
deleted file mode 100644
index 45e714d..0000000
--- a/internal/feed/testdata/nvdcve-1.1-2002.json.gz
+++ /dev/null
diff --git a/internal/feed/testdata/nvdcve-1.1-2003.json.gz b/internal/feed/testdata/nvdcve-1.1-2003.json.gz
deleted file mode 100644
index c7796a6..0000000
--- a/internal/feed/testdata/nvdcve-1.1-2003.json.gz
+++ /dev/null
diff --git a/internal/feed/testdata/nvdcve-1.1-2021.json.gz b/internal/feed/testdata/nvdcve-1.1-2021.json.gz
deleted file mode 100644
index 83ca5e6..0000000
--- a/internal/feed/testdata/nvdcve-1.1-2021.json.gz
+++ /dev/null
diff --git a/internal/feed/testdata/nvdcve-1.1-modified.json.gz b/internal/feed/testdata/nvdcve-1.1-modified.json.gz
deleted file mode 100644
index c675fb6..0000000
--- a/internal/feed/testdata/nvdcve-1.1-modified.json.gz
+++ /dev/null
diff --git a/internal/feed/time.go b/internal/feed/time.go
deleted file mode 100644
index 6eb5d37..0000000
--- a/internal/feed/time.go
+++ /dev/null
@@ -1,44 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "fmt"
-  // "strconv"
-  "regexp"
-  "time"
-)
-
-// partial timestamp
-type Time time.Time
-
-var timeRe = regexp.MustCompile("\\A\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}Z\\z")
-
-// Unmarshal timestamp from JSON.
-func (me *Time) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // match partial string regex
-  if !timeRe.MatchString(s) {
-    return fmt.Errorf("invalid time: \"%s\"", s)
-  }
-
-  // correct string suffix
-  s = s[0:16] + ":00Z"
-
-  // unmarshal time
-  var t time.Time
-  if err := t.UnmarshalText([]byte(s)); err != nil {
-    return err
-  }
-
-  // save time
-  *me = Time(t)
-
-  // return success
-  return nil
-}
-
diff --git a/internal/feed/time_test.go b/internal/feed/time_test.go
deleted file mode 100644
index cc490c5..0000000
--- a/internal/feed/time_test.go
+++ /dev/null
@@ -1,66 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-  "time"
-)
-
-func TestTimeUnmarshallInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val Time
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%v\", exp error", val)
-  }
-}
-
-func TestTimeUnmarshallInvalidString(t *testing.T) {
-  test := []byte(`"2020-"`)
-  exp := "invalid time: \"2020-\""
-  var val Time
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%v\", exp error", val)
-  } else if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestTimeUnmarshallInvalidTime(t *testing.T) {
-  test := []byte(`"2020-99-99T99:99Z"`)
-  var val Time
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%v\", exp error", val)
-  }
-}
-
-func TestTimeString(t *testing.T) {
-  tests := []struct {
-    val string
-    exp string
-  } {
-    { "\"2021-06-09T20:15Z\"", "2021-06-09T20:15:00Z" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var gotTime Time
-      if err := json.Unmarshal([]byte(test.val), &gotTime); err != nil {
-        t.Error(err)
-        return
-      }
-
-      got, err := time.Time(gotTime).MarshalText()
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      if string(got) != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", string(got), test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v2accesscomplexity.go b/internal/feed/v2accesscomplexity.go
deleted file mode 100644
index 5885e0d..0000000
--- a/internal/feed/v2accesscomplexity.go
+++ /dev/null
@@ -1,42 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V2AccessComplexity
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// CVSS v2 access complexity
-type V2AccessComplexity byte
-
-const (
-  V2ACLow V2AccessComplexity = iota // LOW
-  V2ACMedium // MEDIUM
-  V2ACHigh // HIGH
-)
-
-// Unmarshal CVSS V2 access complexity from JSON.
-func (me *V2AccessComplexity) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "LOW":
-    *me = V2ACLow
-  case "MEDIUM":
-    *me = V2ACMedium
-  case "HIGH":
-    *me = V2ACHigh
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS v2 access complexity: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/v2accesscomplexity_string.go b/internal/feed/v2accesscomplexity_string.go
deleted file mode 100644
index 8638b3d..0000000
--- a/internal/feed/v2accesscomplexity_string.go
+++ /dev/null
@@ -1,25 +0,0 @@
-// Code generated by "stringer -linecomment -type=V2AccessComplexity"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V2ACLow-0]
-	_ = x[V2ACMedium-1]
-	_ = x[V2ACHigh-2]
-}
-
-const _V2AccessComplexity_name = "LOWMEDIUMHIGH"
-
-var _V2AccessComplexity_index = [...]uint8{0, 3, 9, 13}
-
-func (i V2AccessComplexity) String() string {
-	if i >= V2AccessComplexity(len(_V2AccessComplexity_index)-1) {
-		return "V2AccessComplexity(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V2AccessComplexity_name[_V2AccessComplexity_index[i]:_V2AccessComplexity_index[i+1]]
-}
diff --git a/internal/feed/v2accesscomplexity_test.go b/internal/feed/v2accesscomplexity_test.go
deleted file mode 100644
index 2dd173d..0000000
--- a/internal/feed/v2accesscomplexity_test.go
+++ /dev/null
@@ -1,79 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV2AccessComplexityUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V2AccessComplexity
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV2AccessComplexityUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS v2 access complexity: foo"
-  var val V2AccessComplexity
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV2AccessComplexityUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V2AccessComplexity
-  } {
-    { "\"LOW\"", V2ACLow },
-    { "\"MEDIUM\"", V2ACMedium },
-    { "\"HIGH\"", V2ACHigh },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V2AccessComplexity
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV2AccessComplexityString(t *testing.T) {
-  tests := []struct {
-    val V2AccessComplexity
-    exp string
-  } {
-    { V2ACLow, "LOW" },
-    { V2ACMedium, "MEDIUM" },
-    { V2ACHigh, "HIGH" },
-
-    { V2AccessComplexity(255), "V2AccessComplexity(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v2accessvector.go b/internal/feed/v2accessvector.go
deleted file mode 100644
index 80490c2..0000000
--- a/internal/feed/v2accessvector.go
+++ /dev/null
@@ -1,42 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V2AccessVector
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-type V2AccessVector byte
-
-const (
-  V2AVAdjacentNetwork V2AccessVector = iota // ADJACENT_NETWORK
-  V2AVLocal // LOCAL
-  V2AVNetwork // NETWORK
-)
-
-// Unmarshal CVSS V2 access vector from JSON.
-func (me *V2AccessVector) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "ADJACENT_NETWORK":
-    *me = V2AVAdjacentNetwork
-  case "LOCAL":
-    *me = V2AVLocal
-  case "NETWORK":
-    *me = V2AVNetwork
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS v2 access vector: %s", s)
-  }
-
-  // return success
-  return nil
-}
-
diff --git a/internal/feed/v2accessvector_string.go b/internal/feed/v2accessvector_string.go
deleted file mode 100644
index bf354fc..0000000
--- a/internal/feed/v2accessvector_string.go
+++ /dev/null
@@ -1,25 +0,0 @@
-// Code generated by "stringer -linecomment -type=V2AccessVector"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V2AVAdjacentNetwork-0]
-	_ = x[V2AVLocal-1]
-	_ = x[V2AVNetwork-2]
-}
-
-const _V2AccessVector_name = "ADJACENT_NETWORKLOCALNETWORK"
-
-var _V2AccessVector_index = [...]uint8{0, 16, 21, 28}
-
-func (i V2AccessVector) String() string {
-	if i >= V2AccessVector(len(_V2AccessVector_index)-1) {
-		return "V2AccessVector(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V2AccessVector_name[_V2AccessVector_index[i]:_V2AccessVector_index[i+1]]
-}
diff --git a/internal/feed/v2accessvector_test.go b/internal/feed/v2accessvector_test.go
deleted file mode 100644
index 6e0df24..0000000
--- a/internal/feed/v2accessvector_test.go
+++ /dev/null
@@ -1,79 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV2AccessVectorUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V2AccessVector
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV2AccessVectorUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS v2 access vector: foo"
-  var val V2AccessVector
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV2AccessVectorUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V2AccessVector
-  } {
-    { "\"ADJACENT_NETWORK\"", V2AVAdjacentNetwork },
-    { "\"LOCAL\"", V2AVLocal },
-    { "\"NETWORK\"", V2AVNetwork },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V2AccessVector
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV2AccessVectorString(t *testing.T) {
-  tests := []struct {
-    val V2AccessVector
-    exp string
-  } {
-    { V2AVAdjacentNetwork, "ADJACENT_NETWORK" },
-    { V2AVLocal, "LOCAL" },
-    { V2AVNetwork, "NETWORK" },
-
-    { V2AccessVector(255), "V2AccessVector(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v2authentication.go b/internal/feed/v2authentication.go
deleted file mode 100644
index 853954f..0000000
--- a/internal/feed/v2authentication.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V2Authentication
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// CVSS v2 authentication
-type V2Authentication byte
-
-const (
-  V2AuthNone V2Authentication = iota // NONE
-  V2AuthSingle // SINGLE
-)
-
-// Unmarshal CVSS V2 authentication from JSON.
-func (me *V2Authentication) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "NONE":
-    *me = V2AuthNone
-  case "SINGLE":
-    *me = V2AuthSingle
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS v2 authentication: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/v2authentication_string.go b/internal/feed/v2authentication_string.go
deleted file mode 100644
index 856c808..0000000
--- a/internal/feed/v2authentication_string.go
+++ /dev/null
@@ -1,24 +0,0 @@
-// Code generated by "stringer -linecomment -type=V2Authentication"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V2AuthNone-0]
-	_ = x[V2AuthSingle-1]
-}
-
-const _V2Authentication_name = "NONESINGLE"
-
-var _V2Authentication_index = [...]uint8{0, 4, 10}
-
-func (i V2Authentication) String() string {
-	if i >= V2Authentication(len(_V2Authentication_index)-1) {
-		return "V2Authentication(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V2Authentication_name[_V2Authentication_index[i]:_V2Authentication_index[i+1]]
-}
diff --git a/internal/feed/v2authentication_test.go b/internal/feed/v2authentication_test.go
deleted file mode 100644
index 4f23764..0000000
--- a/internal/feed/v2authentication_test.go
+++ /dev/null
@@ -1,77 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV2AuthenticationUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V2Authentication
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV2AuthenticationUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS v2 authentication: foo"
-  var val V2Authentication
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV2AuthenticationUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V2Authentication
-  } {
-    { "\"NONE\"", V2AuthNone },
-    { "\"SINGLE\"", V2AuthSingle },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V2Authentication
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV2AuthenticationString(t *testing.T) {
-  tests := []struct {
-    val V2Authentication
-    exp string
-  } {
-    { V2AuthNone, "NONE" },
-    { V2AuthSingle, "SINGLE" },
-
-    { V2Authentication(255), "V2Authentication(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v2impact.go b/internal/feed/v2impact.go
deleted file mode 100644
index 1585e18..0000000
--- a/internal/feed/v2impact.go
+++ /dev/null
@@ -1,42 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V2Impact
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// CVSS v2 impact level.
-type V2Impact byte
-
-const (
-  V2ImpactNone V2Impact = iota // NONE
-  V2ImpactPartial // PARTIAL
-  V2ImpactComplete // COMPLETE
-)
-
-// Unmarshal CVSS v2 impact level from JSON.
-func (me *V2Impact) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "NONE":
-    *me = V2ImpactNone
-  case "PARTIAL":
-    *me = V2ImpactPartial
-  case "COMPLETE":
-    *me = V2ImpactComplete
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS v2 impact: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/v2impact_string.go b/internal/feed/v2impact_string.go
deleted file mode 100644
index 1dcf21b..0000000
--- a/internal/feed/v2impact_string.go
+++ /dev/null
@@ -1,25 +0,0 @@
-// Code generated by "stringer -linecomment -type=V2Impact"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V2ImpactNone-0]
-	_ = x[V2ImpactPartial-1]
-	_ = x[V2ImpactComplete-2]
-}
-
-const _V2Impact_name = "NONEPARTIALCOMPLETE"
-
-var _V2Impact_index = [...]uint8{0, 4, 11, 19}
-
-func (i V2Impact) String() string {
-	if i >= V2Impact(len(_V2Impact_index)-1) {
-		return "V2Impact(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V2Impact_name[_V2Impact_index[i]:_V2Impact_index[i+1]]
-}
diff --git a/internal/feed/v2impact_test.go b/internal/feed/v2impact_test.go
deleted file mode 100644
index 54dc566..0000000
--- a/internal/feed/v2impact_test.go
+++ /dev/null
@@ -1,79 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV2ImpactUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V2Impact
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV2ImpactUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS v2 impact: foo"
-  var val V2Impact
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV2ImpactUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V2Impact
-  } {
-    { "\"NONE\"", V2ImpactNone },
-    { "\"PARTIAL\"", V2ImpactPartial },
-    { "\"COMPLETE\"", V2ImpactComplete },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V2Impact
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV2ImpactString(t *testing.T) {
-  tests := []struct {
-    val V2Impact
-    exp string
-  } {
-    { V2ImpactNone, "NONE" },
-    { V2ImpactPartial, "PARTIAL" },
-    { V2ImpactComplete, "COMPLETE" },
-
-    { V2Impact(255), "V2Impact(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v2version.go b/internal/feed/v2version.go
deleted file mode 100644
index 76e6134..0000000
--- a/internal/feed/v2version.go
+++ /dev/null
@@ -1,36 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V2Version
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// CVSS v2 version
-type V2Version byte
-
-const (
-  V20 V2Version = iota // 2.0
-)
-
-// Unmarshal CVSS V2 version from JSON.
-func (me *V2Version) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "2.0":
-    *me = V20
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS version: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/v2version_string.go b/internal/feed/v2version_string.go
deleted file mode 100644
index 6b13870..0000000
--- a/internal/feed/v2version_string.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// Code generated by "stringer -linecomment -type=V2Version"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V20-0]
-}
-
-const _V2Version_name = "2.0"
-
-var _V2Version_index = [...]uint8{0, 3}
-
-func (i V2Version) String() string {
-	if i >= V2Version(len(_V2Version_index)-1) {
-		return "V2Version(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V2Version_name[_V2Version_index[i]:_V2Version_index[i+1]]
-}
diff --git a/internal/feed/v2version_test.go b/internal/feed/v2version_test.go
deleted file mode 100644
index 3b9b029..0000000
--- a/internal/feed/v2version_test.go
+++ /dev/null
@@ -1,75 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV2VersionUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V2Version
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV2VersionUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS version: foo"
-  var val V2Version
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV2VersionUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V2Version
-  } {
-    { "\"2.0\"", V20 },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V2Version
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV2VersionString(t *testing.T) {
-  tests := []struct {
-    val V2Version
-    exp string
-  } {
-    { V20, "2.0" },
-
-    { V2Version(255), "V2Version(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v3attackcomplexity.go b/internal/feed/v3attackcomplexity.go
deleted file mode 100644
index 6e7481c..0000000
--- a/internal/feed/v3attackcomplexity.go
+++ /dev/null
@@ -1,42 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V3AttackComplexity
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// CVSS v3 attack complexity
-type V3AttackComplexity byte
-
-const (
-  V3ACLow V3AttackComplexity = iota // LOW
-  V3ACMedium // MEDIUM
-  V3ACHigh // HIGH
-)
-
-// Unmarshal CVSS v3 attack complexity from JSON.
-func (me *V3AttackComplexity) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "LOW":
-    *me = V3ACLow
-  case "MEDIUM":
-    *me = V3ACMedium
-  case "HIGH":
-    *me = V3ACHigh
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS v3 attack complexity: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/v3attackcomplexity_string.go b/internal/feed/v3attackcomplexity_string.go
deleted file mode 100644
index 12110c8..0000000
--- a/internal/feed/v3attackcomplexity_string.go
+++ /dev/null
@@ -1,25 +0,0 @@
-// Code generated by "stringer -linecomment -type=V3AttackComplexity"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V3ACLow-0]
-	_ = x[V3ACMedium-1]
-	_ = x[V3ACHigh-2]
-}
-
-const _V3AttackComplexity_name = "LOWMEDIUMHIGH"
-
-var _V3AttackComplexity_index = [...]uint8{0, 3, 9, 13}
-
-func (i V3AttackComplexity) String() string {
-	if i >= V3AttackComplexity(len(_V3AttackComplexity_index)-1) {
-		return "V3AttackComplexity(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V3AttackComplexity_name[_V3AttackComplexity_index[i]:_V3AttackComplexity_index[i+1]]
-}
diff --git a/internal/feed/v3attackcomplexity_test.go b/internal/feed/v3attackcomplexity_test.go
deleted file mode 100644
index a76efe3..0000000
--- a/internal/feed/v3attackcomplexity_test.go
+++ /dev/null
@@ -1,79 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV3AttackComplexityUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V3AttackComplexity
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV3AttackComplexityUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS v3 attack complexity: foo"
-  var val V3AttackComplexity
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV3AttackComplexityUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V3AttackComplexity
-  } {
-    { "\"LOW\"", V3ACLow },
-    { "\"MEDIUM\"", V3ACMedium },
-    { "\"HIGH\"", V3ACHigh },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V3AttackComplexity
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV3AttackComplexityString(t *testing.T) {
-  tests := []struct {
-    val V3AttackComplexity
-    exp string
-  } {
-    { V3ACLow, "LOW" },
-    { V3ACMedium, "MEDIUM" },
-    { V3ACHigh, "HIGH" },
-
-    { V3AttackComplexity(255), "V3AttackComplexity(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v3attackvector.go b/internal/feed/v3attackvector.go
deleted file mode 100644
index ecc309a..0000000
--- a/internal/feed/v3attackvector.go
+++ /dev/null
@@ -1,46 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V3AttackVector
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// CVSS v3 attack vector.
-type V3AttackVector byte
-
-const (
-  V3AVAdjacentNetwork V3AttackVector = iota // ADJACENT_NETWORK
-  V3AVNetwork // NETWORK
-  V3AVLocal // LOCAL
-  V3AVPhysical // PHYSICAL
-)
-
-// Unmarshal CVSS v3 attack vector from JSON.
-func (me *V3AttackVector) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "ADJACENT_NETWORK":
-    *me = V3AVAdjacentNetwork
-  case "LOCAL":
-    *me = V3AVLocal
-  case "NETWORK":
-    *me = V3AVNetwork
-  case "PHYSICAL":
-    *me = V3AVPhysical
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS v3 attack vector: %s", s)
-  }
-
-  // return success
-  return nil
-}
-
diff --git a/internal/feed/v3attackvector_string.go b/internal/feed/v3attackvector_string.go
deleted file mode 100644
index 277520f..0000000
--- a/internal/feed/v3attackvector_string.go
+++ /dev/null
@@ -1,26 +0,0 @@
-// Code generated by "stringer -linecomment -type=V3AttackVector"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V3AVAdjacentNetwork-0]
-	_ = x[V3AVNetwork-1]
-	_ = x[V3AVLocal-2]
-	_ = x[V3AVPhysical-3]
-}
-
-const _V3AttackVector_name = "ADJACENT_NETWORKNETWORKLOCALPHYSICAL"
-
-var _V3AttackVector_index = [...]uint8{0, 16, 23, 28, 36}
-
-func (i V3AttackVector) String() string {
-	if i >= V3AttackVector(len(_V3AttackVector_index)-1) {
-		return "V3AttackVector(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V3AttackVector_name[_V3AttackVector_index[i]:_V3AttackVector_index[i+1]]
-}
diff --git a/internal/feed/v3attackvector_test.go b/internal/feed/v3attackvector_test.go
deleted file mode 100644
index 251cfd4..0000000
--- a/internal/feed/v3attackvector_test.go
+++ /dev/null
@@ -1,81 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV3AttackVectorUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V3AttackVector
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV3AttackVectorUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS v3 attack vector: foo"
-  var val V3AttackVector
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV3AttackVectorUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V3AttackVector
-  } {
-    { "\"ADJACENT_NETWORK\"", V3AVAdjacentNetwork },
-    { "\"LOCAL\"", V3AVLocal },
-    { "\"NETWORK\"", V3AVNetwork },
-    { "\"PHYSICAL\"", V3AVPhysical },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V3AttackVector
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV3AttackVectorString(t *testing.T) {
-  tests := []struct {
-    val V3AttackVector
-    exp string
-  } {
-    { V3AVAdjacentNetwork, "ADJACENT_NETWORK" },
-    { V3AVLocal, "LOCAL" },
-    { V3AVNetwork, "NETWORK" },
-    { V3AVPhysical, "PHYSICAL" },
-
-    { V3AttackVector(255), "V3AttackVector(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v3impact.go b/internal/feed/v3impact.go
deleted file mode 100644
index d6c450e..0000000
--- a/internal/feed/v3impact.go
+++ /dev/null
@@ -1,42 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V3Impact
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// CVSS v3 impact level.
-type V3Impact byte
-
-const (
-  V3ImpactNone V3Impact = iota // NONE
-  V3ImpactLow // LOW
-  V3ImpactHigh // HIGH
-)
-
-// Unmarshal CVSS v3 impact level from JSON.
-func (me *V3Impact) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "NONE":
-    *me = V3ImpactNone
-  case "LOW":
-    *me = V3ImpactLow
-  case "HIGH":
-    *me = V3ImpactHigh
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS v3 impact: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/v3impact_string.go b/internal/feed/v3impact_string.go
deleted file mode 100644
index 13c7ee3..0000000
--- a/internal/feed/v3impact_string.go
+++ /dev/null
@@ -1,25 +0,0 @@
-// Code generated by "stringer -linecomment -type=V3Impact"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V3ImpactNone-0]
-	_ = x[V3ImpactLow-1]
-	_ = x[V3ImpactHigh-2]
-}
-
-const _V3Impact_name = "NONELOWHIGH"
-
-var _V3Impact_index = [...]uint8{0, 4, 7, 11}
-
-func (i V3Impact) String() string {
-	if i >= V3Impact(len(_V3Impact_index)-1) {
-		return "V3Impact(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V3Impact_name[_V3Impact_index[i]:_V3Impact_index[i+1]]
-}
diff --git a/internal/feed/v3impact_test.go b/internal/feed/v3impact_test.go
deleted file mode 100644
index a369f44..0000000
--- a/internal/feed/v3impact_test.go
+++ /dev/null
@@ -1,79 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV3ImpactUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V3Impact
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV3ImpactUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS v3 impact: foo"
-  var val V3Impact
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV3ImpactUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V3Impact
-  } {
-    { "\"NONE\"", V3ImpactNone },
-    { "\"LOW\"", V3ImpactLow },
-    { "\"HIGH\"", V3ImpactHigh },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V3Impact
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV3ImpactString(t *testing.T) {
-  tests := []struct {
-    val V3Impact
-    exp string
-  } {
-    { V3ImpactNone, "NONE" },
-    { V3ImpactLow, "LOW" },
-    { V3ImpactHigh, "HIGH" },
-
-    { V3Impact(255), "V3Impact(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v3privilegesrequired.go b/internal/feed/v3privilegesrequired.go
deleted file mode 100644
index 3e69334..0000000
--- a/internal/feed/v3privilegesrequired.go
+++ /dev/null
@@ -1,45 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V3PrivilegesRequired
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// CVSS v3 privileges required.
-type V3PrivilegesRequired byte
-
-const (
-  V3PRNone V3PrivilegesRequired = iota // NONE
-  V3PRLow // LOW
-  V3PRMedium // MEDIUM
-  V3PRHigh // HIGH
-)
-
-// Unmarshal CVSS privileges required from JSON.
-func (me *V3PrivilegesRequired) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "NONE":
-    *me = V3PRNone
-  case "LOW":
-    *me = V3PRLow
-  case "MEDIUM":
-    *me = V3PRMedium
-  case "HIGH":
-    *me = V3PRHigh
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS v3 privileges required: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/v3privilegesrequired_string.go b/internal/feed/v3privilegesrequired_string.go
deleted file mode 100644
index 2951a64..0000000
--- a/internal/feed/v3privilegesrequired_string.go
+++ /dev/null
@@ -1,26 +0,0 @@
-// Code generated by "stringer -linecomment -type=V3PrivilegesRequired"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V3PRNone-0]
-	_ = x[V3PRLow-1]
-	_ = x[V3PRMedium-2]
-	_ = x[V3PRHigh-3]
-}
-
-const _V3PrivilegesRequired_name = "NONELOWMEDIUMHIGH"
-
-var _V3PrivilegesRequired_index = [...]uint8{0, 4, 7, 13, 17}
-
-func (i V3PrivilegesRequired) String() string {
-	if i >= V3PrivilegesRequired(len(_V3PrivilegesRequired_index)-1) {
-		return "V3PrivilegesRequired(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V3PrivilegesRequired_name[_V3PrivilegesRequired_index[i]:_V3PrivilegesRequired_index[i+1]]
-}
diff --git a/internal/feed/v3privilegesrequired_test.go b/internal/feed/v3privilegesrequired_test.go
deleted file mode 100644
index f200ed1..0000000
--- a/internal/feed/v3privilegesrequired_test.go
+++ /dev/null
@@ -1,81 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV3PrivilegesRequiredUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V3PrivilegesRequired
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV3PrivilegesRequiredUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS v3 privileges required: foo"
-  var val V3PrivilegesRequired
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV3PrivilegesRequiredUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V3PrivilegesRequired
-  } {
-    { "\"NONE\"", V3PRNone },
-    { "\"LOW\"", V3PRLow },
-    { "\"MEDIUM\"", V3PRMedium },
-    { "\"HIGH\"", V3PRHigh },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V3PrivilegesRequired
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV3PrivilegesRequiredString(t *testing.T) {
-  tests := []struct {
-    val V3PrivilegesRequired
-    exp string
-  } {
-    { V3PRNone, "NONE" },
-    { V3PRLow, "LOW" },
-    { V3PRMedium, "MEDIUM" },
-    { V3PRHigh, "HIGH" },
-
-    { V3PrivilegesRequired(255), "V3PrivilegesRequired(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v3scope.go b/internal/feed/v3scope.go
deleted file mode 100644
index 20fe0a5..0000000
--- a/internal/feed/v3scope.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V3Scope
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// CVSS v3 scope.
-type V3Scope byte
-
-const (
-  V3ScopeChanged V3Scope = iota // CHANGED
-  V3ScopeUnchanged // UNCHANGED
-)
-
-// Unmarshal CVSS scope from JSON.
-func (me *V3Scope) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "CHANGED":
-    *me = V3ScopeChanged
-  case "UNCHANGED":
-    *me = V3ScopeUnchanged
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS v3 scope: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/v3scope_string.go b/internal/feed/v3scope_string.go
deleted file mode 100644
index 982cead..0000000
--- a/internal/feed/v3scope_string.go
+++ /dev/null
@@ -1,24 +0,0 @@
-// Code generated by "stringer -linecomment -type=V3Scope"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V3ScopeChanged-0]
-	_ = x[V3ScopeUnchanged-1]
-}
-
-const _V3Scope_name = "CHANGEDUNCHANGED"
-
-var _V3Scope_index = [...]uint8{0, 7, 16}
-
-func (i V3Scope) String() string {
-	if i >= V3Scope(len(_V3Scope_index)-1) {
-		return "V3Scope(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V3Scope_name[_V3Scope_index[i]:_V3Scope_index[i+1]]
-}
diff --git a/internal/feed/v3scope_test.go b/internal/feed/v3scope_test.go
deleted file mode 100644
index 54170b0..0000000
--- a/internal/feed/v3scope_test.go
+++ /dev/null
@@ -1,77 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV3ScopeUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V3Scope
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV3ScopeUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS v3 scope: foo"
-  var val V3Scope
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV3ScopeUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V3Scope
-  } {
-    { "\"CHANGED\"", V3ScopeChanged },
-    { "\"UNCHANGED\"", V3ScopeUnchanged },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V3Scope
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV3ScopeString(t *testing.T) {
-  tests := []struct {
-    val V3Scope
-    exp string
-  } {
-    { V3ScopeChanged, "CHANGED" },
-    { V3ScopeUnchanged, "UNCHANGED" },
-
-    { V3Scope(255), "V3Scope(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v3userinteraction.go b/internal/feed/v3userinteraction.go
deleted file mode 100644
index a6a53ca..0000000
--- a/internal/feed/v3userinteraction.go
+++ /dev/null
@@ -1,40 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V3UserInteraction
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// CVSS v3 user interaction
-type V3UserInteraction byte
-
-const (
-  V3UINone V3UserInteraction = iota // NONE
-  V3UIRequired // REQUIRED
-)
-
-// Unmarshal CVSS user interaction from JSON.
-func (me *V3UserInteraction) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "NONE":
-    *me = V3UINone
-  case "REQUIRED":
-    *me = V3UIRequired
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS v3 user interaction: %s", s)
-  }
-
-  // return success
-  return nil
-}
-
diff --git a/internal/feed/v3userinteraction_string.go b/internal/feed/v3userinteraction_string.go
deleted file mode 100644
index be78920..0000000
--- a/internal/feed/v3userinteraction_string.go
+++ /dev/null
@@ -1,24 +0,0 @@
-// Code generated by "stringer -linecomment -type=V3UserInteraction"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V3UINone-0]
-	_ = x[V3UIRequired-1]
-}
-
-const _V3UserInteraction_name = "NONEREQUIRED"
-
-var _V3UserInteraction_index = [...]uint8{0, 4, 12}
-
-func (i V3UserInteraction) String() string {
-	if i >= V3UserInteraction(len(_V3UserInteraction_index)-1) {
-		return "V3UserInteraction(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V3UserInteraction_name[_V3UserInteraction_index[i]:_V3UserInteraction_index[i+1]]
-}
diff --git a/internal/feed/v3userinteraction_test.go b/internal/feed/v3userinteraction_test.go
deleted file mode 100644
index c5949c2..0000000
--- a/internal/feed/v3userinteraction_test.go
+++ /dev/null
@@ -1,77 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV3UserInteractionUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V3UserInteraction
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV3UserInteractionUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS v3 user interaction: foo"
-  var val V3UserInteraction
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV3UserInteractionUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V3UserInteraction
-  } {
-    { "\"NONE\"", V3UINone },
-    { "\"REQUIRED\"", V3UIRequired },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V3UserInteraction
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV3UserInteractionString(t *testing.T) {
-  tests := []struct {
-    val V3UserInteraction
-    exp string
-  } {
-    { V3UINone, "NONE" },
-    { V3UIRequired, "REQUIRED" },
-
-    { V3UserInteraction(255), "V3UserInteraction(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/v3version.go b/internal/feed/v3version.go
deleted file mode 100644
index 537fecc..0000000
--- a/internal/feed/v3version.go
+++ /dev/null
@@ -1,36 +0,0 @@
-package feed
-
-//go:generate stringer -linecomment -type=V3Version
-
-import (
-  "encoding/json"
-  "fmt"
-)
-
-// CVSS v3 version
-type V3Version byte
-
-const (
-  V31 V3Version = iota // 3.1
-)
-
-// Unmarshal CVSS V3 version from JSON.
-func (me *V3Version) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "3.1":
-    *me = V31
-  default:
-    // return error
-    return fmt.Errorf("unknown CVSS version: %s", s)
-  }
-
-  // return success
-  return nil
-}
diff --git a/internal/feed/v3version_string.go b/internal/feed/v3version_string.go
deleted file mode 100644
index 9de58a7..0000000
--- a/internal/feed/v3version_string.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// Code generated by "stringer -linecomment -type=V3Version"; DO NOT EDIT.
-
-package feed
-
-import "strconv"
-
-func _() {
-	// An "invalid array index" compiler error signifies that the constant values have changed.
-	// Re-run the stringer command to generate them again.
-	var x [1]struct{}
-	_ = x[V31-0]
-}
-
-const _V3Version_name = "3.1"
-
-var _V3Version_index = [...]uint8{0, 3}
-
-func (i V3Version) String() string {
-	if i >= V3Version(len(_V3Version_index)-1) {
-		return "V3Version(" + strconv.FormatInt(int64(i), 10) + ")"
-	}
-	return _V3Version_name[_V3Version_index[i]:_V3Version_index[i+1]]
-}
diff --git a/internal/feed/v3version_test.go b/internal/feed/v3version_test.go
deleted file mode 100644
index 89cc6ed..0000000
--- a/internal/feed/v3version_test.go
+++ /dev/null
@@ -1,75 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "testing"
-)
-
-func TestV3VersionUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val V3Version
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestV3VersionUnmarshalUnknown(t *testing.T) {
-  test := []byte(`"foo"`)
-  exp := "unknown CVSS version: foo"
-  var val V3Version
-
-  err := json.Unmarshal(test, &val)
-  if err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-    return
-  }
-
-  if err.Error() != exp {
-    t.Errorf("got \"%s\", exp \"%s\"", err.Error(), exp)
-  }
-}
-
-func TestV3VersionUnmarshalValid(t *testing.T) {
-  tests := []struct {
-    val string
-    exp V3Version
-  } {
-    { "\"3.1\"", V31 },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got V3Version
-      if err := json.Unmarshal([]byte(test.val), &got); err != nil {
-        t.Error(err)
-        return
-      }
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
-
-func TestV3VersionString(t *testing.T) {
-  tests := []struct {
-    val V3Version
-    exp string
-  } {
-    { V31, "3.1" },
-
-    { V3Version(255), "V3Version(255)" },
-  }
-
-  for _, test := range(tests) {
-    t.Run(test.exp, func(t *testing.T) {
-      got := test.val.String()
-
-      if got != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, test.exp)
-      }
-    })
-  }
-}
diff --git a/internal/feed/vector.go b/internal/feed/vector.go
deleted file mode 100644
index 9e75de7..0000000
--- a/internal/feed/vector.go
+++ /dev/null
@@ -1,39 +0,0 @@
-// NVD JSON feed parser.
-package feed
-
-import (
-  "encoding/json"
-  "nvd/internal/cvss"
-)
-
-// CVSS vector
-type Vector struct {
-  // CVSS vector
-  Vector cvss.Vector
-}
-
-// Unmarshal CVSS vector from JSON.
-func (me *Vector) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // parse vector
-  vec, err := cvss.NewVector(s)
-  if err != nil {
-    return err
-  }
-
-  // save result
-  me.Vector = vec
-
-  // return success
-  return nil
-}
-
-// Marshal CVSS vector to JSON.
-func (me Vector) MarshalJSON() ([]byte, error) {
-  return json.Marshal(me.Vector.String())
-}
diff --git a/internal/feed/vector_test.go b/internal/feed/vector_test.go
deleted file mode 100644
index 5dee8ba..0000000
--- a/internal/feed/vector_test.go
+++ /dev/null
@@ -1,99 +0,0 @@
-package feed
-
-import (
-  "encoding/json"
-  "nvd/internal/cvss"
-  "testing"
-)
-
-func TestVectorUnmarshalInvalidData(t *testing.T) {
-  test := []byte(`{}`)
-  var val Vector
-
-  if err := json.Unmarshal(test, &val); err == nil {
-    t.Errorf("got \"%s\", exp error", val)
-  }
-}
-
-func TestVectorUnmarshalJSON(t *testing.T) {
-  failTests := []struct {
-    val string
-    exp string
-  } {
-    {
-      val: "\"AV:N/junk/Au:S/C:P/I:P/A:P\"",
-      exp: "invalid CVSS vector: AV:N/junk/Au:S/C:P/I:P/A:P",
-    }, {
-      val: "\"CVSS:3.0/junk/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H\"",
-      exp: "invalid CVSS vector: CVSS:3.0/junk/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    }, {
-      val: "\"CVSS:3.1/AV:A/junk/PR:N/UI:N/S:U/C:H/I:H/A:H\"",
-      exp: "invalid CVSS vector: CVSS:3.1/AV:A/junk/PR:N/UI:N/S:U/C:H/I:H/A:H",
-    },
-  }
-
-  for _, test := range(failTests) {
-    t.Run(test.val, func(t *testing.T) {
-      var got Vector
-
-      if err := json.Unmarshal([]byte(test.val), &got); err == nil {
-        t.Errorf("got \"%v\", exp error", got)
-      } else if err.Error() != test.exp {
-        t.Errorf("got \"%s\", exp \"%s\"", err.Error(), test.exp)
-      }
-    })
-  }
-
-  passTests := []string {
-    "AV:N/AC:M/Au:S/C:P/I:P/A:P",
-    "CVSS:3.0/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
-  }
-
-  for _, val := range(passTests) {
-    t.Run(val, func(t *testing.T) {
-      var got Vector
-
-      if err := json.Unmarshal([]byte("\"" + val + "\""), &got); err != nil {
-        t.Error(err)
-      } else if got.Vector.String() != val {
-        t.Errorf("got \"%s\", exp \"%s\"", got.Vector.String(), val)
-      }
-    })
-  }
-}
-
-func TestVectorMarshalJSON(t *testing.T) {
-  tests := []string {
-    "AV:N/AC:M/Au:S/C:P/I:P/A:P",
-    "CVSS:3.0/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
-    "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
-  }
-
-  for _, val := range(tests) {
-    t.Run(val, func(t *testing.T) {
-      // get expected string
-      exp := "\"" + val + "\""
-
-      // create inner vector
-      vec, err := cvss.NewVector(val)
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      // serialize as json
-      buf, err := json.Marshal(Vector { vec })
-      if err != nil {
-        t.Error(err)
-        return
-      }
-
-      // check result
-      got := string(buf)
-      if got != exp {
-        t.Errorf("got \"%s\", exp \"%s\"", got, exp)
-      }
-    })
-  }
-}