CVE-2025-53896

Estado: AnalizadaAlta (8.1)—

Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, a bug in Kiteworks MFT could cause under certain circumstances that a user's active session would not properly time out due to inactivity. This issue has been patched in version 9.1.0.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Puntuación base: 8.1

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.19%
Percentil entre todas las CVEs puntuadas: 8
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).

🎯 Técnicas ATT&CK

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

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement75 %
Impacto principalT1078.001 Default Accountsstealth · persistence · privilege escalation · initial access65 %
Impacto secundarioT1098.002 Additional Email Delegate Permissionspersistence · privilege escalation55 %

AV:N, PR:L, UI:N sugiere acceso remoto autenticado (T1210). Sesión no expira → reutilización de credenciales/cuentas activas (T1078.001, T1098.002) sin interacción del usuario.

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

Privileged Account Management Multi-factor Authentication Disable or Remove Feature or Program Vulnerability Scanning Threat Intelligence Program Password Policies

Tecnologías afectadas (1)

Accellion — Kiteworks Managed File Transfer

CWE

CWE-613

Referencias

https://github.com/kiteworks/security-advisories/security/advisories/GHSA-23h2-3jj8-58hm

JSON original (NVD)

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