CVE-2025-24813

/// Technical description

Path Equivalence: 'file.Name' (Internal Dot) leading to Remote Code Execution and/or Information disclosure and/or malicious content added to uploaded files via write enabled Default Servlet in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.2, from 10.1.0-M1 through 10.1.34, from 9.0.0.M1 through 9.0.98.

The following versions were EOL at the time the CVE was created but are

known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions

may also be affected.

If all of the following were true, a malicious user was able to view security sensitive files and/or inject content into those files:

- writes enabled for the default servlet (disabled by default)

- support for partial PUT (enabled by default)

- a target URL for security sensitive uploads that was a sub-directory of a target URL for public uploads

- attacker knowledge of the names of security sensitive files being uploaded

- the security sensitive files also being uploaded via partia

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References