CVE-2016-4437

Estado: AnalizadaCrítica (9.8)⚠ Explotación activa

Apache Shiro before 1.2.5, when a cipher key has not been configured for the "remember me" feature, allows remote attackers to execute arbitrary code or bypass intended access restrictions via an unspecified request parameter.

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: 93%
Percentil entre todas las CVEs puntuadas: 100
Fecha de la puntuación: 3/10/2026

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).

CISA KEV — explotada activamente

Añadida al catálogo: 3/11/2021
Plazo de remediación: 3/5/2022
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 principalT1059.007 JavaScriptexecution90 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access85 %

Vulnerabilidad en aplicación web expuesta (Shiro) accesible sin autenticación previa (AV:N/PR:N). Permite ejecución arbitraria de código y bypass de restricciones de acceso mediante parámetro en request.

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 Application Developer Guidance Active Directory Configuration Vulnerability Scanning User Training User Account Management

Tecnologías afectadas (4)

Apache — Aurora Apache — Shiro Redhat — Fuse Redhat — Jboss Middleware Text-only Advisories

CWE

NVD-CWE-noinfo
CWE-321

Referencias

JSON original (NVD)

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