Vulnerability in Owasp-Modsecurity Modsecurity
CVE-2025-27110
Libmodsecurity is one component of the ModSecurity v3 project. The library codebase serves as an interface to ModSecurity Connectors taking in web traffic and applying traditional ModSecurity processing. A bug that exists only in Libmodsecurity3 version 3.0.13 means that, in 3.0.13, Libmodsecurity3 can't decode encoded HTML entities if they contains leading zeroes. Version 3.0.14 contains a fix. No known workarounds are available.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.005 (40.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Owasp-Modsecurity Modsecurity — versions = 3.0.13
- Trustwave Modsecurity — versions 3.0.13
Weakness classification (CWE)
References
- github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-42w7-rmv5-4x2j (Vendor Advisory)
- github.com/owasp-modsecurity/ModSecurity/issues/3340 (Exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2025-27110?
- CVE-2025-27110 is a high-severity vulnerability in Owasp-Modsecurity Modsecurity, classified under CWE-172. CVSS score: 7.5/10. Published 2025-02-25.
- How severe is CVE-2025-27110?
- High severity. CVSS v3 base score is 7.5 out of 10.