CVE-2021-30713
A permissions issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4. A malicious application may be able to bypass Privacy preferences. Apple is aware of a report that this issue may have been actively exploited..
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 7.04%
- Percentil entre todas las CVEs puntuadas: 94
- Fecha de la puntuación: 7/10/2026
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).
CISA KEV — explotada activamente
- Añadida al catálogo: 3/11/2021
- Plazo de remediación: 17/11/2021
- Uso conocido en ransomware: Unknown
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation85 % - Impacto secundario
T1005Data from Local Systemcollection70 %
Vulnerabilidad local (AV:L/PR:L) en validación de permisos que permite bypass de Privacy preferences; impacta acceso a datos sensibles y credenciales. Explotación activa confirmada.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (2)
CWE
- CWE-862
- CWE-862
Referencias
- http://seclists.org/fulldisclosure/2021/Sep/40
- https://support.apple.com/en-us/HT212529
- https://support.apple.com/kb/HT212805
- http://seclists.org/fulldisclosure/2021/Sep/40
- https://support.apple.com/en-us/HT212529
- https://support.apple.com/kb/HT212805
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30713
JSON original (NVD)
Mostrar
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