CVE-2025-66200
Apache HTTP Server: mod_userdir+suexec bypass via AllowOverride FileInfo
- State
- Published
- Severity
- 5.4 Medium
- Published
- Dec 5, 2025
- Updated
- Dec 5, 2025
- Reserved
- Nov 24, 2025
Description
mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid.
This issue affects Apache HTTP Server: from 2.4.7 through 2.4.65.
Users are recommended to upgrade to version 2.4.66, which fixes the issue.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L | CISA-ADP |
Weaknesses
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
Affected Products
| Product | Versions |
|---|---|
Apache HTTP ServerApache Software Foundation |
|
References
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