CVE-2024-43204
HIGHApache HTTP Server: SSRF with mod_headers setting Content-Type header
CVSS v3
7.5
HIGH
EPSS Score
0.7%
exploit probability
CISA KEV
No
known exploited
Exploitation
none
SSVC status
Description
SSRF in Apache HTTP Server with mod_proxy loaded allows an attacker to send outbound proxy requests to a URL controlled by the attacker. Requires an unlikely configuration where mod_headers is configured to modify the Content-Type request or response header with a value provided in the HTTP request. Users are recommended to upgrade to version 2.4.64 which fixes this issue.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 7/10/2025
- Last Modified
- 11/4/2025
Frequently Asked Questions
What is CVE-2024-43204?
SSRF in Apache HTTP Server with mod_proxy loaded allows an attacker to send outbound proxy requests to a URL controlled by the attacker. Requires an unlikely configuration where mod_headers is configured to modify the Content-Type request or response header with a value provided in the HTTP request. Users are recommended to upgrade to version 2.4.64 which fixes this issue.
Is CVE-2024-43204 actively exploited?
Active exploitation of CVE-2024-43204 has not been confirmed. The EPSS score is 0.7%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2024-43204?
CVE-2024-43204 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string 3.1.
Is CVE-2024-43204 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.