CVE-2026-59836

Estado: AnalizadaCrítica (9.8)—

A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>

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: 0.22%
Percentil entre todas las CVEs puntuadas: 12
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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access85 %
Impacto principalT1557 Adversary-in-the-Middlecredential access · collection80 %
Impacto secundarioT1005 Data from Local Systemcollection75 %

CWE-295 (improper certificate validation) en servicio de red sin autenticación permite MITM y acceso a información. Vector CVSS N/PR:N/UI:N confirma explotación remota directa (T1190); CWE-295 explícitamente habilita T1557 (adversario en el medio) para interceptar y leer datos sensibles en tránsito.

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

Network Segmentation Limit Access to Resource Over Network Filter Network Traffic Vulnerability Scanning User Training Privileged Account Management

Tecnologías afectadas (1)

Fortinet — Forticlientems

CWE

CWE-295

Referencias

https://fortiguard.fortinet.com/psirt/FG-IR-26-147

JSON original (NVD)

Mostrar

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