Improper Neutralization Vulnerability in Apache HTTP Server by Apache
CVE-2025-65082

6.5MEDIUM

Key Information:

Vendor

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

What is CVE-2025-65082?

A vulnerability has been identified in the Apache HTTP Server that allows for the improper neutralization of control sequences through environment variables set in the server configuration. This issue arises when environment variables override those calculated by the server specifically for CGI programs. It is crucial for users to upgrade to version 2.4.66 or later to mitigate this vulnerability and ensure the security of their web applications.

Affected Version(s)

Apache HTTP Server 2.4.0 <= 2.4.65

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mattias Ă…sander (UmeĂĄ University)
JSON
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CVE-2025-65082 : Improper Neutralization Vulnerability in Apache HTTP Server by Apache