CVE-2020-36948
VestaCP 0.9.8-26 contains a session token vulnerability in the LoginAs module that allows remote attackers to manipulate authentication tokens. Attackers can exploit insufficient token validation to access user accounts and perform unauthorized login requests without proper administrative permissions.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 8.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.64%
- Percentil entre todas las CVEs puntuadas: 49
- 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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1078Valid Accountsstealth · persistence · privilege escalation · initial access90 % - Impacto secundario
T1068Exploitation for Privilege Escalationprivilege escalation75 %
Vector CVSS indica acceso remoto con privilegios limitados (PR:L), explotando validación insuficiente de tokens de sesión (CWE-863). Permite acceso a cuentas sin permisos administrativos propios (T1078) y potencial escalada de privilegios.
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
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-863
Referencias
- https://vestacp.com/
- https://www.exploit-db.com/exploits/49219
- https://www.vulncheck.com/advisories/vestacp-loginas-insufficient-session-validation
- https://www.vulnerability-lab.com/get_content.php?id=2240
- https://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M.
- https://www.exploit-db.com/exploits/49219
- https://www.vulnerability-lab.com/get_content.php?id=2240
- https://www.vulnerability-lab.com/show.php?user=Benjamin%20K.M.
JSON original (NVD)
Mostrar
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"published": "2026-01-27T16:16:12.213",
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"value": "VestaCP 0.9.8-26 contains a session token vulnerability in the LoginAs module that allows remote attackers to manipulate authentication tokens. Attackers can exploit insufficient token validation to access user accounts and perform unauthorized login requests without proper administrative permissions."
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"lang": "es",
"value": "VestaCP 0.9.8-26 contiene una vulnerabilidad de token de sesión en el módulo LoginAs que permite a atacantes remotos manipular tokens de autenticación. Los atacantes pueden explotar la validación insuficiente de tokens para acceder a cuentas de usuario y realizar solicitudes de inicio de sesión no autorizadas sin los permisos administrativos adecuados."
}
],
"lastModified": "2026-06-17T03:16:35.073",
"sourceIdentifier": "disclosure@vulncheck.com"
}