CVE-2020-1464
Estado: AnalizadaMedia (5.5)⚠ Explotación activa
A spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files. In an attack scenario, an attacker could bypass security features intended to prevent improperly signed files from being loaded. The update addresses the vulnerability by correcting how Windows validates file signatures.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 39%
- Percentil entre todas las CVEs puntuadas: 99
- Fecha de la puntuación: 3/10/2026
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: 3/5/2022
- 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 principal
T1553.006Code Signing Policy Modificationdefense impairment90 %
Validación incorrecta de firmas permite cargar archivos sin firmar (T1553.006) y eludir protecciones en acceso local con privilegios (T1068); potencial para inyección de DLL (T1574.008).
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 (18)
Microsoft — Windows 10 1507Microsoft — Windows 10 1607Microsoft — Windows 10 1709Microsoft — Windows 10 1803Microsoft — Windows 10 1809Microsoft — Windows 10 1903Microsoft — Windows 10 1909Microsoft — Windows 10 2004Microsoft — Windows 7Microsoft — Windows 8.1Microsoft — Windows RT 8.1Microsoft — Windows Server 1903Microsoft — Windows Server 1909Microsoft — Windows Server 2004Microsoft — Windows Server 2008Microsoft — Windows Server 2012Microsoft — Windows Server 2016Microsoft — Windows Server 2019
CWE
- CWE-347
- CWE-347
Referencias
- https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.html
- https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-years/
- https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464
- https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.html
- https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-years/
- https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1464
JSON original (NVD)
Mostrar
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"value": "A spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files.\nIn an attack scenario, an attacker could bypass security features intended to prevent improperly signed files from being loaded.\nThe update addresses the vulnerability by correcting how Windows validates file signatures."
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de suplantación de identidad cuando Windows, comprueba inapropiadamente las firmas de archivos, también se conoce como \"Windows Spoofing Vulnerability\"."
}
],
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]
}
],
"sourceIdentifier": "secure@microsoft.com",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Microsoft Windows Spoofing Vulnerability"
}