CVE-2024-39573
httpd: Potential SSRF in mod_rewrite
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 1, 2024
Updated · September 21, 2026
Description
A flaw was found in the mod_rewrite module of httpd. A potential SSRF allows an attacker to cause unsafe rules used in the RewriteRule directive to unexpectedly set up URLs to be handled by the mod_proxy module.
Statement
This issue only affects configurations with unsafe rules used in the RewriteRule directive.
Additionally, this flaw requires mod_rewrite and mod_proxy to be loaded and being used. These modules can be disabled via the configuration file if their functionality are not needed.
Red Hat Enterprise Linux 6 is not affected by this vulnerability because the vulnerable code was introduced in a newer version of httpd.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 7.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-20 · Improper Input Validation