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CVE-2021-30681

Estado: ModificadaAlta (7.8)—

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to gain root 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 (5)

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-30681",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
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          "confidentialityImpact": "COMPLETE"
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        "impactScore": 10,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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    },
    {
      "lang": "es",
      "value": "Se presentó un problema de comprobación en el manejo de los enlaces simbólicos. Este problema se abordó con la comprobación de los enlaces simbólicos mejorada. Este problema es corregido en Security Update 2021-004 Mojave, iOS versión 14.6 y iPadOS versión 14.6, Security Update 2021-003 Catalina, macOS Big Sur versión 11.4 y watchOS versión 7.5. Una aplicación maliciosa puede ser capaz de alcanzar privilegios de root"
    }
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  "lastModified": "2026-06-17T03:50:40.987",
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