Server-Side Request Forgery (SSRF) in Apache HTTP Server - CVE-2024-43394
Published: July 10, 2025 / Updated: July 10, 2025
Vulnerability identifier: #VU112732
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-43394
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Apache HTTP Server
Apache HTTP Server
Detailed vulnerability description
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input when handling UNC paths on Windows. A remote attacker can trick the application into initiating requests to arbitrary systems and potentially leak NTLM hashes to a malicious server via mod_rewrite or apache expressions that pass unvalidated request input.
Note, the vulnerability affects Windows installations only.
How to mitigate CVE-2024-43394
Install updates from vendor's website.