CVE-2020-3952
Under certain conditions, vmdir that ships with VMware vCenter Server, as part of an embedded or external Platform Services Controller (PSC), does not correctly implement access controls.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 90%
- Percentil entre todas las CVEs puntuadas: 100
- 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
T1190Exploit Public-Facing Applicationinitial access85 % - Impacto principal
T1078.002Domain Accountsstealth · persistence · privilege escalation · initial access90 % - Impacto secundario
T1098.002Additional Email Delegate Permissionspersistence · privilege escalation75 % - Impacto secundario
T1565.001Stored Data Manipulationimpact70 %
VMware vCenter accesible remotamente (AV:N) con fallo de control de acceso (CWE-306) permite escalada de privilegios e impersonación de cuentas administrativas. Confirmado en KEV con explotación activa.
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 (1)
CWE
- CWE-306
- CWE-306
Referencias
- http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html
- https://www.vmware.com/security/advisories/VMSA-2020-0006
- http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html
- https://www.vmware.com/security/advisories/VMSA-2020-0006
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952
JSON original (NVD)
Mostrar
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