CVE-2025-42999

Estado: AnalizadaCrítica (9.1)⚠ Explotación activa

SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Puntuación base: 9.1

Probabilidad de explotación (EPSS)

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

CISA KEV — explotada activamente

Añadida al catálogo: 15/5/2025
Plazo de remediación: 5/6/2025
Uso conocido en ransomware: Known

🎯 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 principalT1059.007 JavaScriptexecution80 %
Impacto secundarioT1565.001 Stored Data Manipulationimpact70 %

CWE-502 (deserialización insegura) en NetWeaver permite RCE via carga de contenido malicioso por usuario privilegiado (PR:H); impacto crítico C/I/A confirmado.

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 Restrict File and Directory Permissions Privileged Account Management

Tecnologías afectadas (1)

SAP — Netweaver

CWE

CWE-502

Referencias

JSON original (NVD)

Mostrar

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  "lastModified": "2026-08-11T04:17:17.240",
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}