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CVE-2021-30927

Estado: ModificadaAlta (7.8)—

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. An application may be able to execute arbitrary code with kernel privileges.

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 (6)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-30927",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/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": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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          "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"
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        "impactScore": 5.9,
        "exploitabilityScore": 1.8
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  "affected": [
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      "source": "product-security@apple.com",
      "affectedData": [
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          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
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              "version": "unspecified",
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              "lessThan": "2021",
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  "published": "2021-08-24T19:15:20.103",
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      "url": "https://support.apple.com/en-us/HT212975",
      "source": "product-security@apple.com"
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      "url": "https://support.apple.com/en-us/HT212976",
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      "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/HT212975",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "https://support.apple.com/en-us/HT212976",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://support.apple.com/en-us/HT212978",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
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  "descriptions": [
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      "lang": "en",
      "value": "A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. An application may be able to execute arbitrary code with kernel privileges."
    },
    {
      "lang": "es",
      "value": "Se solucionó un problema de uso de la memoria previamente liberada con una administración de la memoria mejorada. Este problema se solucionó en macOS Big Sur versión 11.6.2, tvOS versión 15.2, macOS Monterey versión 12.1, actualización de seguridad 2021-008 Catalina, iOS versión 15.2 e iPadOS versión 15.2, watchOS versión 8.3. Una aplicación puede ejecutar código arbitrario con privilegios del kernel"
    }
  ],
  "lastModified": "2026-06-17T03:51:09.203",
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}