CVE-2020-11985

httpd: IP address spoofing when proxying using mod_remoteip and mod_rewrite

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · August 7, 2020

Updated · August 4, 2026

Description

A flaw was found in the mod_remoteip module shipped with the httpd package. This flaw allows an attacker to spoof the IP address, resulting in the bypass of a mod_rewrite rule. The highest threat from this vulnerability is to integrity.

Statement

This issue only affects httpd-2.4.x, therefore, httpd packages shipped with Red Hat Enterprise Linux 6 are not affected by this flaw.

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 · 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CWE-345 · Insufficient Verification of Data Authenticity