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CVE-2026-52754

Estado: AnalizadaAlta (8.7)—

Ghidra before 12.1 contains an authentication bypass vulnerability in PKIAuthenticationModule.authenticate() that allows any user with a valid CA-signed certificate to impersonate other users by presenting their public certificate with a null signature. Attackers can escalate privileges, modify repository access controls, exfiltrate shared reverse engineering databases, and permanently compromise server integrity.

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.

Acceso remoto autenticado con PR:L permite bypass de autenticación (null signature) para suplantación de usuarios. Logra escalada de privilegios, modificación de controles de acceso y exfiltración de datos (VC:H, VI:H, VA:H).

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 ManagementPassword PoliciesMulti-factor AuthenticationVulnerability ScanningUser Account Management

Tecnologías afectadas (1)

NSA — Ghidra

CWE

Referencias

JSON original (NVD)

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