CVE-2021-30919
Estado: ModificadaAlta (7.8)—
An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted PDF may lead to arbitrary code execution.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.57%
- Percentil entre todas las CVEs puntuadas: 75
- Fecha de la puntuación: 6/10/2026
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).
Tecnologías afectadas (7)
CWE
- CWE-787
Referencias
- https://support.apple.com/en-us/HT212867
- https://support.apple.com/en-us/HT212868
- https://support.apple.com/en-us/HT212869
- https://support.apple.com/en-us/HT212871
- https://support.apple.com/en-us/HT212872
- https://support.apple.com/en-us/HT212874
- https://support.apple.com/en-us/HT212876
- https://www.zerodayinitiative.com/advisories/ZDI-22-357/
- https://support.apple.com/en-us/HT212867
- https://support.apple.com/en-us/HT212868
- https://support.apple.com/en-us/HT212869
- https://support.apple.com/en-us/HT212871
- https://support.apple.com/en-us/HT212872
- https://support.apple.com/en-us/HT212874
- https://support.apple.com/en-us/HT212876
- https://www.zerodayinitiative.com/advisories/ZDI-22-357/
JSON original (NVD)
Mostrar
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},
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"value": "Se abordó un problema de escritura fuera de límites con una comprobación de entrada mejorada. Este problema se corrigió en iOS versión 15.1 y iPadOS versión 15.1, macOS Monterey versión 12.0.1, iOS versión 14.8.1 y iPadOS versión 14.8.1, tvOS versión 15.1, watchOS versión 8.1, Security Update 2021-007 Catalina, macOS Big Sur versión 11.6.1. El procesamiento de un PDF diseñado de forma maliciosa puede conllevar a una ejecución de código arbitrario"
}
],
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