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CVE-2021-30957

Estado: ModificadaAlta (7.8)—

Se abordó un problema de desbordamiento del búfer con una administración de la memoria mejorada. Este problema es corregido en macOS Monterey versión 12.1, watchOS versión 8.3, iOS versión 15.2 e iPadOS versión 15.2, tvOS versión 15.2. El procesamiento de un archivo de audio creado con fines maliciosos puede conllevar a una ejecución de código arbitrario

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (5)

Apple — IpadosApple — Iphone OSApple — MacosApple — TvosApple — Watchos

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-30957",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "8.3",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "15.2",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "12.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "15.2",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-24T19:15:22.003",
  "references": [
    {
      "url": "https://support.apple.com/en-us/HT212975",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212976",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212978",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212980",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/kb/HT212979",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212975",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212976",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212978",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212980",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/kb/HT212979",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. Processing a maliciously crafted audio file may lead to arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Se abordó un problema de desbordamiento del búfer con una administración de la memoria mejorada. Este problema es corregido en macOS Monterey versión 12.1, watchOS versión 8.3, iOS versión 15.2 e iPadOS versión 15.2, tvOS versión 15.2. El procesamiento de un archivo de audio creado con fines maliciosos puede conllevar a una ejecución de código arbitrario"
    }
  ],
  "lastModified": "2026-06-17T03:51:12.920",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CCE4E546-A0DD-4E9E-A6B9-C19B04D77466",
              "versionEndExcluding": "15.2"
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7FB904C1-43D1-4583-8729-5D1B1746A54C",
              "versionEndExcluding": "15.2"
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "287EBE44-07C0-41D3-B268-CC86CA5FD792",
              "versionEndExcluding": "11.6.2",
              "versionStartIncluding": "11.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CA118623-E817-42AA-AB39-6239B1284192",
              "versionEndExcluding": "12.1",
              "versionStartIncluding": "12.0"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "16CAE2FB-FADC-4BF4-9115-D20D365051BF",
              "versionEndExcluding": "15.2"
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7A7245FB-6FBE-4C09-80F5-18504CA623B3",
              "versionEndExcluding": "8.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}