CVE-2024-43394
CVSS v3
7.5
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-10-03
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Server-Side Request Forgery (SSRF) in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via mod_rewrite or apache expressions that pass unvalidated request input. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.63. Note: The Apache HTTP Server Project will be setting a higher bar for accepting vulnerability reports regarding SSRF via UNC paths. The server offers limited protection against administrators directing the server to open UNC
Technical details
- Published
- 2025-07-10
- Last Modified
- 2025-11-04
Frequently asked questions
What is CVE-2024-43394?
Server-Side Request Forgery (SSRF) in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via mod_rewrite or apache expressions that pass unvalidated request input. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.63. Note: The Apache HTTP Server Project will be setting a higher bar for accepting vulnerability reports regarding SSRF via UNC paths. The server offers limited protection against administrators directing the server to open UNC
Is CVE-2024-43394 actively exploited?
Active exploitation of CVE-2024-43394 has not been confirmed. Its EPSS score was 1.2% on 2026-10-03, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2024-43394?
CVE-2024-43394 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2024-43394 affecting your environment?
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