Apache HTTP Server AllowOverride FileInfo Vulnerability
CVE-2025-66200

5.4MEDIUM

Key Information:

Vendor

Apache
Status
Apache Http Server
Vendor
CVE Published:
5 December 2025

What is CVE-2025-66200?

A security flaw in the Apache HTTP Server allows unauthorized users to exploit the AllowOverride FileInfo directive. This vulnerability can enable CGI scripts to execute under unexpected user IDs when the RequestHeader directive is improperly configured in htaccess files. It primarily affects versions from 2.4.7 to 2.4.65. Users are urged to upgrade to version 2.4.66 or later to mitigate this risk.

Affected Version(s)

Apache HTTP Server 2.4.7 <= 2.4.65

References

https://httpd.apache.org/security/vulnerabilities_24.html
vendor-advisory

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mattias Ă…sander (UmeĂĄ University)
JSON
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CVE-2025-66200 : Apache HTTP Server AllowOverride FileInfo Vulnerability