CVE-2025-66200

Dec. 10, 2025, 4:39 p.m.

5.4
Medium

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.

Product(s) Impacted

Vendor Product Versions
Apache
  • Http Server
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-288
Authentication Bypass Using an Alternate Path or Channel
A product requires authentication, but the product has an alternate path or channel that does not require authentication.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a apache http_server / / / / / / / /

References

https://httpd.apache.org/security/vulnerabilities_24.html
http://www.openwall.com/lists/oss-security/2025/12/04/8

Tags

security@apache.org
CWE-288
2025-12-05
CVE-2025-66200

CVSS Score

5.4 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: LOW
  • Availability Impact: LOW

    • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

    View Vector String

Timeline

Published: Dec. 5, 2025, 11:15 a.m.
Last Modified: Dec. 10, 2025, 4:39 p.m.

Status : Analyzed

CVE has had analysis completed and all data associations made.

More info

Source

security@apache.org

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.