CVE-2022-2255

moderate-risk
Published 2022-08-25

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.

Do I need to act?

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0.49% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Debian Modwsgi

References (8)

Exploit https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L13...
Exploit https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L14...
Mailing List https://lists.debian.org/debian-lts-announce/2022/09/msg00021.html
Release Notes https://modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.html
Exploit https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L13...
Exploit https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L14...
Mailing List https://lists.debian.org/debian-lts-announce/2022/09/msg00021.html
Release Notes https://modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.html
35
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 7/34 · Low