Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT
CISA confirms exploitation of this vulnerability in real attacks. Prioritise checking whether your application is affected. CISA KEV · CC0 1.0
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
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.tomcat.embed:tomcat-embed-core | >= 11.0.0-M1, < 11.0.3, >= 10.1.0-M1, < 10.1.35, >= 9.0.0.M1, < 9.0.99, >= 8.5.0, <= 8.5.100 | 11.0.3, 10.1.35, 9.0.99 |
| Java / Kotlin (Maven) | org.apache.tomcat:tomcat-catalina | >= 11.0.0-M1, < 11.0.3, >= 10.1.0-M1, < 10.1.35, >= 9.0.0.M1, < 9.0.99, >= 8.5.0, <= 8.5.100 | 11.0.3, 10.1.35, 9.0.99 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-24813
- https://github.com/apache/tomcat/commit/0a668e0c27f2b7ca0cc7c6eea32253b9b5ecb29c
- https://github.com/apache/tomcat/commit/eb61aade8f8daccaecabf07d428b877975622f72
- https://github.com/apache/tomcat/commit/f6c01d6577cf9a1e06792be47e623d36acc3b5dc
- https://github.com/absholi7ly/POC-CVE-2025-24813/blob/main/README.md
- https://github.com/apache/tomcat
- https://lists.apache.org/thread/j5fkjv2k477os90nczf2v9l61fb0kkgq
- https://lists.debian.org/debian-lts-announce/2025/04/msg00003.html
- https://security.netapp.com/advisory/ntap-20250321-0001
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24813
- 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://www.vicarius.io/vsociety/posts/cve-2025-24813-tomcat-detect-vulnerability
- https://www.vicarius.io/vsociety/posts/cve-2025-24813-tomcat-mitigation-vulnerability
- http://www.openwall.com/lists/oss-security/2025/03/10/5
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H- Weakness (CWE)
CWE-44, CWE-502- Platform
- Java / Kotlin (Maven)
- Package
org.apache.tomcat.embed:tomcat-embed-core, org.apache.tomcat:tomcat-catalina- Disclosed
- 10.03.2025
- Updated
- 11.10.2026 13:20
Sources and licenses
OSV / GitHub Advisory Database - GHSA-83qj-6fr2-vhqg - CC BY 4.0
Vulnerability history: org.apache.tomcat:tomcat-catalina
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 41
- First → latest
- 05.2019 08.2026
- Without a fix
- 0
- Exploited in attacks
- 3
Severity breakdown
- Critical 9
- High 16
- Medium 11
- Low 5
Disclosures per year
- 2019: 1
- 2020: 1
- 2021: 0
- 2022: 8
- 2023: 6
- 2024: 3
- 2025: 11
- 2026: 11
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Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT this entry
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