Improper Protection of Alternate Path in Apache Tomcat - CVE-2025-49125
Published: June 16, 2025 / Updated: July 16, 2025
Vulnerability identifier: #VU111159
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-49125
CWE-ID: CWE-424
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Apache Tomcat
Apache Tomcat
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper access restrictions when using PreResources or PostResources mounted other than at the root of the web application. A remote attacker can bypass configured security rules using a alternate path and gain unauthorized access to the application.
How to mitigate CVE-2025-49125
Install updates from vendor's website.
Sources
- https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.8
- https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.42
- https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.106
- https://github.com/apache/tomcat/commit/d94bd36fb7eb32e790dae0339bc249069649a637
- https://github.com/apache/tomcat/commit/7617b9c247bc77ed0444dd69adcd8aa48777886c
- https://github.com/apache/tomcat/commit/9418e3ff9f1f4c006b4661311ae9376c52d162b9
- https://lists.apache.org/thread/gp5rzzqnp7q71bm7lsvxoow89nz1tkjw
- https://lists.apache.org/thread/n7f5v6fzovfxkpqf5q0cztqqn0kjjs4p