{
  "id": "CVE-2021-23406",
  "sourceIdentifier": "report@snyk.io",
  "published": "2021-08-24T08:15:18.180",
  "lastModified": "2021-08-30T19:15:28.817",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "This affects the package pac-resolver before 5.0.0. This can occur when used with untrusted input, due to unsafe PAC file handling. **NOTE:** The fix for this vulnerability is applied in the node-degenerator library, a dependency written by the same maintainer."
    },
    {
      "lang": "es",
      "value": "Esto afecta al paquete pac-resolver versiones anteriores a 5.0.0. Esto puede ocurrir cuando se usa con una entrada no confiable debido a un manejo no seguro de archivos PAC. **NOTA:** La correcci\u00f3n para esta vulnerabilidad se aplica en la biblioteca degenerador de nodos, una dependencia escrita por el mismo mantenedor"
    }
  ],
  "metrics": {
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      {
        "source": "nvd@nist.gov",
        "type": "Primary",
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
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        "exploitabilityScore": 3.9,
        "impactScore": 5.9
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        "source": "report@snyk.io",
        "type": "Secondary",
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        "exploitabilityScore": 2.2,
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    "cvssMetricV2": [
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        "source": "nvd@nist.gov",
        "type": "Primary",
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          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
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          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
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  "configurations": [
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        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:pac-resolver_project:pac-resolver:*:*:*:*:*:node.js:*:*",
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  "references": [
    {
      "url": "https://github.com/TooTallNate/node-degenerator/commit/9d25bb67d957bc2e5425fea7bf7a58b3fc64ff9e",
      "source": "report@snyk.io",
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      "url": "https://github.com/TooTallNate/node-degenerator/commit/ccc3445354135398b6eb1a04c7d27c13b833f2d5",
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}