CVE-2025-24813
Apache Tomcat Path Equivalence Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 22 April 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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 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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 99.94% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 7 April 2025
- CISA KEV
- Listed 1 April 2025 · due 22 April 2025
- Weakness
- CWE-44, CWE-502, CWE-706
- Affected
- apache/tomcat · debian/debian linux · netapp/bootstrap os
- Source
- security@apache.org
EPSS 99.9% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://lists.apache.org/thread/j5fkjv2k477os90nczf2v9l61fb0kkgq ; https://nvd.nist.gov/vuln/detail/CVE-2025-24813
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://lists.apache.org/thread/j5fkjv2k477os90nczf2v9l61fb0kkgqVendor Advisory
- http://www.openwall.com/lists/oss-security/2025/03/10/5Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/04/msg00003.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20250321-0001/Third Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-24813-detect-apache-tomcat-rceIssue Tracking
- https://www.vicarius.io/vsociety/posts/cve-2025-24813-mitigate-apache-tomcat-rceIssue Tracking
- https://www.vicarius.io/vsociety/posts/cve-2025-24813-tomcat-detect-vulnerabilityIssue Tracking
- https://www.vicarius.io/vsociety/posts/cve-2025-24813-tomcat-mitigation-vulnerabilityIssue Tracking
- https://github.com/absholi7ly/POC-CVE-2025-24813/blob/main/README.mdExploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24813Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.