CVE-2025-59775
HIGH7.5EPSS 0.06%Apache HTTP Server: NTLM Leakage on Windows through UNC SSRF
Published: 12/5/2025Modified: 12/9/2025
Also known as:ALPINE-CVE-2025-59775BIT-apache-2025-59775
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.
Affected packages (3)
- Alpine/apache2from 0, < 2.4.66-r0
- Bitnami/apache>= 2.4.0, < 2.4.66
- Debian/apache2from 0, < 2.4.66-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |