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CVE-2025-2776

Estado: AnalizadaCrítica (9.8)⚠ Explotación activa

SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives.

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).

CISA KEV — explotada activamente

🎯 Técnicas ATT&CK

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

XXE en procesamiento de URL sin autenticación (AV:N/PR:N) permite lectura de archivos y takeover de cuenta administrativa; explotación remota directa (T1190) con acceso a datos confidenciales (C:H/I:H) e impacto en cuentas de dominio.

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 ManagementMulti-factor AuthenticationVulnerability ScanningUser TrainingUser Account ManagementPassword Policies

Tecnologías afectadas (1)

Sysaid — Sysaid

CWE

Referencias

JSON original (NVD)

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    }
  ],
  "lastModified": "2026-06-17T09:07:36.360",
  "cisaActionDue": "2025-08-12",
  "cisaExploitAdd": "2025-07-22",
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  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability"
}