CVE-2019-9670

Estado: AnalizadaCrítica (9.8)⚠ Explotación activa

mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 has an XML External Entity injection (XXE) vulnerability, as demonstrated by Autodiscover/Autodiscover.xml.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 9.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 100%
Percentil entre todas las CVEs puntuadas: 100
Fecha de la puntuación: 29/9/2026

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: 10/1/2022
Plazo de remediación: 10/7/2022
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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access95 %
Impacto principalT1005 Data from Local Systemcollection90 %
Impacto secundarioT1059.001 PowerShellexecution75 %
Impacto secundarioT1565.001 Stored Data Manipulationimpact70 %

XXE en componente expuesto públicamente (Autodiscover.xml) sin autenticación; AV:N/AC:L/PR:N permite lectura de datos confidenciales del servidor y potencial ejecución de código.

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 Vulnerability Scanning Restrict File and Directory Permissions Remote Data Storage Network Segmentation Limit Access to Resource Over Network

Tecnologías afectadas (1)

Synacor — Zimbra Collaboration Suite

CWE

CWE-611
CWE-611

Referencias

JSON original (NVD)

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