CVE-2025-24813

Summary

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 partial PUT

If all of the following were true, a malicious user was able to perform remote code execution:

• writes enabled for the default servlet (disabled by default) - support for partial PUT (enabled by default) - application was using Tomcat's file based session persistence with the default storage location - application included a library that may be leveraged in a deserialization attack

Users are recommended to upgrade to version 11.0.3, 10.1.35 or 9.0.99, which fixes the issue.

Affected Software

Weaknesses

• CWE-44: CWE-44 Path Equivalence: 'file.name' (Internal Dot)
• CWE-502: CWE-502 Deserialization of Untrusted Data

ADP Enrichment

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2025/03/10/5
• https://www.vicarius.io/vsociety/posts/cve-2025-24813-detect-apache-tomcat-rce
• https://www.vicarius.io/vsociety/posts/cve-2025-24813-mitigate-apache-tomcat-rce
• https://security.netapp.com/advisory/ntap-20250321-0001/
• https://lists.debian.org/debian-lts-announce/2025/04/msg00003.html
• https://www.vicarius.io/vsociety/posts/cve-2025-24813-tomcat-detect-vulnerability
• https://www.vicarius.io/vsociety/posts/cve-2025-24813-tomcat-mitigation-vulnerability

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: no
  • Technical Impact: total

Additional References

• https://github.com/absholi7ly/POC-CVE-2025-24813/blob/main/README.md
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24813

References

• https://lists.apache.org/thread/j5fkjv2k477os90nczf2v9l61fb0kkgq

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