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CVE-2021-30922

Estado: ModificadaAlta (7.8)—

Multiple out-of-bounds write issues were addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.1. A malicious 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 (2)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-30922",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
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        "userInteractionRequired": false
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          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
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  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "11.6",
              "versionType": "custom"
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  "published": "2021-08-24T19:15:19.673",
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    {
      "url": "https://support.apple.com/en-us/HT212872",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/kb/HT212869",
      "source": "product-security@apple.com"
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    {
      "url": "https://support.apple.com/kb/HT212871",
      "source": "product-security@apple.com"
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      "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"
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  "descriptions": [
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      "lang": "en",
      "value": "Multiple out-of-bounds write issues were addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges."
    },
    {
      "lang": "es",
      "value": "Se han solucionado varios problemas de escritura fuera de los límites con la mejora de la comprobación de los límites. Este problema se ha solucionado en macOS Big Sur 11.6.1. Una aplicación maliciosa puede ser capaz de ejecutar código arbitrario con privilegios del kernel"
    }
  ],
  "lastModified": "2026-06-17T03:51:08.683",
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