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Standard
Vulnerability Identifier

CVE-2025-65082

2025-12-05
Severity Assessment
6.5
MEDIUM
CVSS v3.x Score
Clinical Analysis (Description)

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs.

This issue affects Apache HTTP Server from 2.4.0 through 2.4.65.

Users are recommended to upgrade to version 2.4.66 which fixes the issue.

Vector Sequencing

Attack Parameters

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Impact Consequences

Technical Impact

Unchanged
Scope
Low
Confidentiality
Low
Integrity
None
Availability
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness Classification

CWE-CWE-150

Timeline

Time Line

PUBLICATION
05 Dec 2025
MODIFICATION
10 Dec 2025
FIRST PATCH
21 Apr 2026
Impact Statistics

Key Metrics

CVSS Score
6.5
MEDIUM
Patches
5
Available
Remediation Protocol

Recommended Solution

No automatic solution found. Check vendor references.
Recommended Actions for Administrators

Immediate Action Plan

1. Inventory

Identify all affected systems in your infrastructure.

2. Assessment

Assess exposure and criticality for your organization.

3. Mitigation

Apply patches or available workarounds.

4. Verification

Test and confirm effectiveness of applied measures.