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CVE-2022-2255 Details

Description

A vulnerability was found in mod_wsgi. The X-Client-IP header is not removed from a request from an untrusted proxy, allowing an attacker to pass the X-Client-IP header to the target WSGI application because the condition to remove it is missing.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L13940-L13941	CVE	ExploitThird Party Advisory
https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L14046-L14082	CVE	ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00021.html	CVE	Mailing ListThird Party Advisory
https://modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.html	CVE	Release NotesThird Party Advisory
https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L13940-L13941	[email protected]	ExploitThird Party Advisory
https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L14046-L14082	[email protected]	ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00021.html	[email protected]	Mailing ListThird Party Advisory
https://modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.html	[email protected]	Release NotesThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-345	Insufficient Verification of Data Authenticity	[email protected]
CWE-348	Use of Less Trusted Source	[email protected]

Affected Products

Product	Versions
modwsgi mod wsgi	< 4.9.3
CPE cpe:2.3:a:modwsgi:mod_wsgi:::::::: Remediation No remediation found in references.
debian debian linux	10.0
CPE cpe:2.3:o:debian:debian_linux:10.0:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 1, 2022	Modified Analysis	[email protected]
Sep 16, 2022	CVE Modified	[email protected]
Aug 31, 2022	Initial Analysis	[email protected]