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CVE-2021-30971

Estado: ModificadaAlta (7.8)—

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

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 (4)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-30971",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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          "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"
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        "impactScore": 5.9,
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  "affected": [
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      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
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              "version": "unspecified",
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          "product": "macOS",
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  "published": "2021-08-24T19:15:22.903",
  "references": [
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      "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"
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    {
      "url": "https://support.apple.com/en-us/HT212979",
      "source": "product-security@apple.com"
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      "source": "product-security@apple.com"
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      "url": "https://support.apple.com/en-us/HT212981",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Se abordó un problema de escritura fuera de límites con una comprobación de límites mejorada. Este problema es corregido en macOS Monterey versión 12.1, iOS versión 15.2 e iPadOS versión 15.2, macOS Big Sur versión 11.6.2, Security Update 2021-008 Catalina. El procesamiento de un archivo USD creado con fines maliciosos puede conllevar a una finalización no esperada de la aplicación o una ejecución de código arbitrario"
    }
  ],
  "lastModified": "2026-06-17T03:51:14.453",
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}