CVE-2025-26844

Estado: AnalizadaCrítica (9.8)—

An issue was discovered in Znuny through 7.1.3. A cookie is set without the HttpOnly flag.

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: 0.43%
Percentil entre todas las CVEs puntuadas: 35
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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access75 %
Impacto principalT1212 Exploitation for Credential Accesscredential access70 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access65 %

Cookie sin HttpOnly permite robo de credenciales vía XSS (AV:N, PR:N, UI:N, vector de red). CWE-1004 (exposición de sesión) sustenta T1212 como impacto principal.

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

Application Developer Guidance Privileged Account Management Application Isolation and Sandboxing Exploit Protection Update Software Active Directory Configuration

Tecnologías afectadas (1)

Znuny — Znuny

CWE

CWE-1004

Referencias

JSON original (NVD)

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