CVE-2025-54571
modsecurity-apache - security update
6.1
MEDIUM
CVSS 3.1
EPSS 0.30%
Description
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.11 and below, an attacker can override the HTTP response’s Content-Type, which could lead to several issues depending on the HTTP scenario. For example, we have demonstrated the potential for XSS and arbitrary script source code disclosure in the latest version of mod_security2. This issue is fixed in version 2.9.12.
How to fix CVE-2025-54571
To remediate CVE-2025-54571, upgrade the affected package to a fixed version below.
- —upgrade to 2.9.12 or later
- —upgrade to 2.9.12 or later
- —upgrade to 2.9.3-3+deb11u5 or later
- —upgrade to 2.9.3-3+deb11u5 or later
Is CVE-2025-54571 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 2.9.12
- from 0, < 2.9.12
- from 0, < 2.9.3-3+deb11u5
- from 0, < 2.9.3-3+deb11u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |