CVE-2020-9991
Estado: ModificadaAlta (7.5)—
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iCloud for Windows 7.21, tvOS 14.0. A remote attacker may be able to cause a denial of service.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.82%
- Percentil entre todas las CVEs puntuadas: 86
- Fecha de la puntuación: 5/10/2026
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 (6)
CWE
- NVD-CWE-noinfo
Referencias
- http://seclists.org/fulldisclosure/2020/Dec/32
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
- https://support.apple.com/en-us/HT211843
- https://support.apple.com/en-us/HT211844
- https://support.apple.com/en-us/HT211847
- https://support.apple.com/en-us/HT211850
- https://support.apple.com/en-us/HT211931
- https://support.apple.com/kb/HT211846
- http://seclists.org/fulldisclosure/2020/Dec/32
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
- https://support.apple.com/en-us/HT211843
- https://support.apple.com/en-us/HT211844
- https://support.apple.com/en-us/HT211847
- https://support.apple.com/en-us/HT211850
- https://support.apple.com/en-us/HT211931
- https://support.apple.com/kb/HT211846
JSON original (NVD)
Mostrar
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"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
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"value": "This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iCloud for Windows 7.21, tvOS 14.0. A remote attacker may be able to cause a denial of service."
},
{
"lang": "es",
"value": "Este problema se abordó con comprobaciones mejoradas. Este problema se corrigió en macOS Big Sur versión 11.0.1, watchOS versión 7.0, iOS versión 14.0 y iPadOS versión 14.0, iCloud para Windows versión 7.21, tvOS versión 14.0. Un atacante remoto puede ser capaz de causar una denegación de servicio"
}
],
"lastModified": "2026-06-17T03:28:56.260",
"configurations": [
{
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}