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.
Published: 2025-12-05
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4452-1 apache2 security update
History

Wed, 10 Dec 2025 16:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

Tue, 09 Dec 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Fri, 05 Dec 2025 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache http Server
Microsoft
Microsoft windows
Vendors & Products Apache
Apache http Server
Microsoft
Microsoft windows

Fri, 05 Dec 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 05 Dec 2025 11:30:00 +0000

Type Values Removed Values Added
References

Fri, 05 Dec 2025 10:30:00 +0000

Type Values Removed Values Added
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.
Title Apache HTTP Server: NTLM Leakage on Windows through UNC SSRF
Weaknesses CWE-918
References

Subscriptions

Apache Http Server
Microsoft Windows
cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2025-12-05T19:28:44.631Z

Reserved: 2025-09-19T12:13:44.078Z

Link: CVE-2025-59775

cve-icon Vulnrichment

Updated: 2025-12-05T11:05:59.532Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-05T11:15:52.210

Modified: 2025-12-10T16:40:04.333

Link: CVE-2025-59775

cve-icon Redhat

Severity : Important

Publid Date: 2025-12-05T10:17:03Z

Links: CVE-2025-59775 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-12-05T20:56:23Z

Weaknesses