CVE-2023-20867

Estado: AnalizadaBaja (3.9)⚠ Explotación activa

A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Puntuación base: 3.9

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 14%
Percentil entre todas las CVEs puntuadas: 96
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).

CISA KEV — explotada activamente

Añadida al catálogo: 23/6/2023
Plazo de remediación: 14/7/2023
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.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation75 %
Impacto principalT1078 Valid Accountsstealth · persistence · privilege escalation · initial access65 %
Impacto secundarioT1565.001 Stored Data Manipulationimpact60 %

Host ESXi comprometido (AV:L, PR:H) explota fallo de autenticación VMware Tools (CWE-287) para bypass de validación de operaciones host-guest, afectando credenciales/sesiones (T1078) y manipulación de integridad del guest (T1565.001).

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

Application Developer Guidance Active Directory Configuration User Training User Account Management Threat Intelligence Program Restrict File and Directory Permissions

Tecnologías afectadas (3)

Debian — Debian Linux Fedoraproject — Fedora Vmware — Tools

CWE

CWE-287
NVD-CWE-noinfo

Referencias

JSON original (NVD)

Mostrar

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