{
  "id": "CVE-2021-1849",
  "sourceIdentifier": "product-security@apple.com",
  "published": "2021-09-08T15:15:11.150",
  "lastModified": "2021-09-20T20:20:57.153",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences."
    },
    {
      "lang": "es",
      "value": "Se abord\u00f3 un problema en la comprobaci\u00f3n de firmas de c\u00f3digo con comprobaciones mejoradas. Este problema se corrigi\u00f3 en macOS Big Sur versi\u00f3n 11.3, iOS versi\u00f3n 14.5 e iPadOS versi\u00f3n 14.5, watchOS versi\u00f3n 7.4, tvOS versi\u00f3n 14.5. Una aplicaci\u00f3n maliciosa puede ser capaz de omitir las preferencias de privacidad"
    }
  ],
  "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:H/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "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-347"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "14.5",
              "matchCriteriaId": "3EAAE2C1-EF21-4567-99F1-335D1EF955D1"
            },
            {
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              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "14.5",
              "matchCriteriaId": "C1E12568-6F17-458F-8216-3D6DBC8F6DEE"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "11.0",
              "versionEndExcluding": "11.3",
              "matchCriteriaId": "4E699CCC-31F5-458E-A59C-79B3AF143747"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "14.5",
              "matchCriteriaId": "D5B77841-F161-47AB-8043-3E0346E3AA25"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "7.4",
              "matchCriteriaId": "CFFFE00C-0AA6-4F60-ABF4-E68877BFD8F8"
            }
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  ],
  "references": [
    {
      "url": "https://support.apple.com/en-us/HT212317",
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT212323",
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT212324",
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/HT212325",
      "source": "product-security@apple.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}