CVE-2025-49113

Estado: AnalizadaAlta (8.8)⚠ Explotación activa

Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php, leading to PHP Object Deserialization.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 99%
Percentil entre todas las CVEs puntuadas: 100
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: 20/2/2026
Plazo de remediación: 13/3/2026
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.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement70 %
Impacto principalT1059.007 JavaScriptexecution85 %
Impacto secundarioT1005 Data from Local Systemcollection60 %

CVE-2025-49113 es RCE en Roundcube vía deserialización PHP insegura (CWE-502) con autenticación previa. Vector AV:N/PR:L sugiere explotación de servicio remoto con privilegios. El impacto es ejecución de código PHP en el servidor.

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

Disable or Remove Feature or Program Vulnerability Scanning Threat Intelligence Program Restrict Web-Based Content Privileged Account Management Network Segmentation

Tecnologías afectadas (2)

Debian — Debian Linux Roundcube — Webmail

CWE

CWE-502
CWE-502

Referencias

JSON original (NVD)

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