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CVE-2021-30911

Estado: ModificadaMedia (5.5)—

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, iOS 15.1 and iPadOS 15.1, macOS Big Sur 11.6.1. Processing a maliciously crafted USD file may disclose memory contents.

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-2021-30911",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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    ],
    "cvssMetricV31": [
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        "cvssData": {
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          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
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    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "15.1",
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          "vendor": "Apple",
          "product": "macOS",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "lessThan": "12.0",
              "versionType": "custom"
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          "product": "macOS",
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              "status": "affected",
              "version": "unspecified",
              "lessThan": "2021",
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          "vendor": "Apple",
          "product": "macOS",
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              "version": "unspecified",
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              "versionType": "custom"
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  ],
  "published": "2021-08-24T19:15:19.033",
  "references": [
    {
      "url": "https://support.apple.com/en-us/HT212867",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212869",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212871",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/HT212872",
      "source": "product-security@apple.com"
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    {
      "url": "https://support.apple.com/en-us/HT212867",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://support.apple.com/en-us/HT212871",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT212872",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, iOS 15.1 and iPadOS 15.1, macOS Big Sur 11.6.1. Processing a maliciously crafted USD file may disclose memory contents."
    },
    {
      "lang": "es",
      "value": "Se abordó una lectura fuera de límites con una comprobación de límites mejorada. Este problema se corrigió en macOS Monterey versión 12.0.1, actualización de seguridad 2021-007 Catalina, iOS versión 15.1 y iPadOS versión 15.1, macOS Big Sur versión 11.6.1. El procesamiento de un archivo USD diseñado de forma maliciosa puede revelar el contenido de la memoria"
    }
  ],
  "lastModified": "2026-06-17T03:51:07.463",
  "configurations": [
    {
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}