CVE-2025-59775 - CVE House

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Status published Unknown CVE-2025-59775

Apache HTTP Server: NTLM Leakage on Windows through UNC SSRF

0 CVSS

Vulnerability Description

Server-Side Request Forgery (SSRF) vulnerability in Apache HTTP Server on Windows with AllowEncodedSlashes On and MergeSlashes Off allows to potentially leak NTLM hashes to a malicious server via SSRF and malicious requests or content Users are recommended to upgrade to version 2.4.66, which fixes the issue.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Orange Tsai (@orange_8361) from DEVCORE

References

https://httpd.apache.org/security/vulnerabilities_24.html

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Affected Vendor

Apache Software Foundation

View all reports →

Affected Software

Apache HTTP Server

Vulnerable Versions:

2.4.0

Timeline

Official Publish: December 5th, 2025

Last Modified: December 5th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1213 Data from Information Repositories

T1005 Data from Local System

T1046 Network Service Discovery