CVE-2025-59775
Unknown Unknown - Not Provided
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Publication date: 2025-12-05

Last updated on: 2025-12-10

Assigner: Apache Software Foundation

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.
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Meta Information
Published
2025-12-05
Last Modified
2025-12-10
Generated
2026-06-16
AI Q&A
2025-12-05
EPSS Evaluated
2026-06-15
NVD
CVE-2025-59775
EUVD
EUVD-2025-201394
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
apache http_server From 2.4.0 (inc) to 2.4.66 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
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Executive Summary

This vulnerability is a Server-Side Request Forgery (SSRF) in Apache HTTP Server on Windows when configured with AllowEncodedSlashes On and MergeSlashes Off. It allows an attacker to potentially leak NTLM hashes to a malicious server by exploiting SSRF and sending malicious requests or content.

Impact Analysis

The vulnerability can lead to the leakage of NTLM hashes to a malicious server, which could allow attackers to perform unauthorized actions or gain further access within a network by using these leaked credentials.

Mitigation Strategies

Users are recommended to upgrade Apache HTTP Server on Windows to version 2.4.66, which fixes the issue.

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