nvd-json-data-feeds/CVE-2021/CVE-2021-239xx/CVE-2021-23979.json

{
  "id": "CVE-2021-23979",
  "sourceIdentifier": "security@mozilla.org",
  "published": "2021-02-26T16:15:12.810",
  "lastModified": "2022-05-03T16:04:40.443",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Mozilla developers reported memory safety bugs present in Firefox 85. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 86."
    },
    {
      "lang": "es",
      "value": "Los desarrolladores de Mozilla reportaron bugs de seguridad de la memoria presentes en Firefox 85. Algunos de estos bugs mostraron evidencia de corrupci\u00f3n de la memoria y suponemos que con esfuerzo suficiente algunos de ellos podr\u00edan haber sido explotado para ejecutar c\u00f3digo arbitrario.&#xa0;Esta vulnerabilidad afecta a Firefox versiones anteriores a 86"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "86.0",
              "matchCriteriaId": "89580DC6-183F-46F0-A27E-4E16D6B10EB6"
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  "references": [
    {
      "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=1663222%2C1666607%2C1672120%2C1678463%2C1678927%2C1679560%2C1681297%2C1681684%2C1683490%2C1684377%2C1684902",
      "source": "security@mozilla.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-07/",
      "source": "security@mozilla.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    }
  ]
}