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CVE Database›CVE-2023-25690

CVE-2023-25690

httpd: HTTP request splitting with mod_rewrite and mod_proxy

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Severity

Important

Red Hat Product Security

9.8

CVSS 3.1

Review impact separately from score.

Published · March 7, 2023

Updated · November 1, 2026

Description

A vulnerability was found in httpd. This security issue occurs when some mod_proxy configurations on Apache HTTP Server allow an HTTP Request Smuggling attack. Configurations are affected when mod_proxy is enabled along with some form of RewriteRule or ProxyPassMatch in which a non-specific pattern matches some portion of the user-supplied request-target (URL) data and is then re-inserted into the proxied request-target using variable substitution.

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

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-113 · Improper Neutralization of CRLF Sequences in HTTP Headers