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CVE-2025-49125

Estado: ModificadaAlta (7.5)—

Authentication Bypass Using an Alternate Path or Channel vulnerability in Apache Tomcat.  When using PreResources or PostResources mounted other than at the root of the web application, it was possible to access those resources via an unexpected path. That path was likely not to be protected by the same security constraints as the expected path, allowing those security constraints to be bypassed.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Other, older, EOL versions may also be affected.

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Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

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.

AV:N/PR:N/UI:N indica explotación remota sin privilegios previos (T1190). El bypass de autenticación mediante rutas alternativas permite acceso no autorizado a recursos protegidos, típico de T1078.

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 ManagementApplication Developer GuidanceActive Directory ConfigurationVulnerability ScanningUser TrainingUser Account Management

Tecnologías afectadas (1)

Apache — Tomcat

CWE

Referencias

JSON original (NVD)

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      "value": "Authentication Bypass Using an Alternate Path or Channel vulnerability in Apache Tomcat.  When using PreResources or PostResources mounted other than at the root of the web application, it was possible to access those resources via an unexpected path. That path was likely not to be protected by the same security constraints as the expected path, allowing those security constraints to be bypassed.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105.\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: 8.5.0 through 8.5.100. Other, older, EOL versions \nmay also be affected.\n\n\nUsers are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue."
    },
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      "lang": "es",
      "value": "Vulnerabilidad de omisión de autenticación mediante una ruta o canal alternativo en Apache Tomcat. Al usar recursos previos o posteriores montados en una ubicación distinta a la raíz de la aplicación web, era posible acceder a ellos mediante una ruta inesperada. Es probable que dicha ruta no estuviera protegida por las mismas restricciones de seguridad que la ruta esperada, lo que permitió eludirlas. Este problema afecta a Apache Tomcat: de la 11.0.0-M1 a la 11.0.7, de la 10.1.0-M1 a la 10.1.41 y de la 9.0.0.M1 a la 9.0.105. Se recomienda actualizar a las versiones 11.0.8, 10.1.42 o 9.0.106, que solucionan el problema."
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  "lastModified": "2026-06-17T09:30:47.307",
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