{
  "id": "CVE-2021-33502",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-05-24T16:15:08.133",
  "lastModified": "2021-10-26T19:56:51.583",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The normalize-url package before 4.5.1, 5.x before 5.3.1, and 6.x before 6.0.1 for Node.js has a ReDoS (regular expression denial of service) issue because it has exponential performance for data: URLs."
    },
    {
      "lang": "es",
      "value": "El paquete normalize-url versiones anteriores a 4.5.1, versiones 5.x  anteriores a 5.3.1 y versiones 6.x anteriores a 6.0.1 para Node.js, presenta un problema de ReDoS (denegaci\u00f3n de servicio de expresi\u00f3n regular) porque presenta un rendimiento exponencial para los datos: URL"
    }
  ],
  "metrics": {
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        "type": "Primary",
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
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        "source": "nvd@nist.gov",
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        "cvssData": {
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          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:normalize-url_project:normalize-url:*:*:*:*:*:node.js:*:*",
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  "references": [
    {
      "url": "https://github.com/sindresorhus/normalize-url/releases/tag/v6.0.1",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20210706-0001/",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
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}