{
  "id": "CVE-2021-21306",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2021-02-08T22:15:12.450",
  "lastModified": "2021-02-11T21:53:28.210",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Marked is an open-source markdown parser and compiler (npm package \"marked\"). In marked from version 1.1.1 and before version 2.0.0, there is a Regular expression Denial of Service vulnerability. This vulnerability can affect anyone who runs user generated code through marked. This vulnerability is fixed in version 2.0.0."
    },
    {
      "lang": "es",
      "value": "Marked es un analizador y compilador de rebajas de c\u00f3digo abierto (paquete npm \"marked\"). En marked desde la versi\u00f3n 1.1.1 y anteriores a versi\u00f3n 2.0.0, se presenta una vulnerabilidad de Denegaci\u00f3n de Servicio de expresi\u00f3n Regular. Esta vulnerabilidad puede afectar a cualquiera que ejecute c\u00f3digo generado por el usuario mediante marked. Esta vulnerabilidad se corrigi\u00f3 en la versi\u00f3n 2.0.0"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "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
      },
      {
        "source": "security-advisories@github.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "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": "CWE-400"
        }
      ]
    },
    {
      "source": "security-advisories@github.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:marked_project:marked:*:*:*:*:*:node.js:*:*",
              "versionStartIncluding": "1.1.1",
              "versionEndExcluding": "2.0.0",
              "matchCriteriaId": "A9E51743-C978-477B-8B63-EEFC0C7EA788"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/markedjs/marked/commit/7293251c438e3ee968970f7609f1a27f9007bccd",
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
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    },
    {
      "url": "https://github.com/markedjs/marked/issues/1927",
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
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    },
    {
      "url": "https://github.com/markedjs/marked/pull/1864",
      "source": "security-advisories@github.com",
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        "Third Party Advisory"
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    },
    {
      "url": "https://github.com/markedjs/marked/security/advisories/GHSA-4r62-v4vq-hr96",
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.npmjs.com/package/marked",
      "source": "security-advisories@github.com",
      "tags": [
        "Product",
        "Third Party Advisory"
      ]
    }
  ]
}