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CVE-2026-4793

Estado: AnalizadaAlta (7.3)—

An incorrect default permissions vulnerability in Synology Assistant before 7.0.7-50095 allows local users to read or write arbitrary files and conduct denial-of-service during installation.

CVSS

Probabilidad de explotación (EPSS)

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.

AV:L + UI:R indica ejecución en cliente (T1203). CWE-276 (permisos incorrectos) permite lectura/escritura de archivos (T1222) y manipulación de datos durante instalación (T1565.001), con potencial DoS (T1499.004).

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

Restrict File and Directory PermissionsPrivileged Account ManagementRemote Data StorageFilter Network TrafficEncrypt Sensitive InformationApplication Isolation and Sandboxing

Tecnologías afectadas (1)

Synology — Assistant

CWE

Referencias

JSON original (NVD)

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