CVE-2025-27110
HIGHDescription
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.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 38% of all known CVEs.
References
Related Vulnerabilities
Other CWE-172 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2019-10160 | Critical | 9.8 | 5.2% | - | Fix |
| CVE-2019-10153 | Medium | 5.0 | 2.2% | - | Fix |
| CVE-2018-7289 | Low | 3.3 | 1.7% | - | - |
| CVE-2019-12677 | Medium | 6.5 | 1.5% | - | Fix |
| CVE-2018-3777 | Critical | 9.8 | 1.5% | - | Fix |
| CVE-2016-6691 | Critical | 9.8 | 1.3% | - | - |
Common questions
How do I fix CVE-2025-27110?
Upgrade modsecurity on debian 13 to 3.0.14-1 or later.
Is CVE-2025-27110 being actively exploited?
Not that we know of. CVE-2025-27110 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.47% is the estimated probability that it will be exploited in the next 30 days. That is higher than 38% of all scored CVEs.
How severe is CVE-2025-27110?
CVE-2025-27110 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2025-27110 affect?
Published advisories record a fix for modsecurity (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
Embed a live status badge for CVE-2025-27110
Markdown
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-02-28.