CVE-2022-2255

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.

• CWE-348
• CWE-345

• https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L13940-L13941Exploit, Third Party Advisory
• https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L14046-L14082Exploit, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2022/09/msg00021.htmlMailing List, Third Party Advisory
• https://modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.htmlRelease Notes, Third Party Advisory
• https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L13940-L13941Exploit, Third Party Advisory
• https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L14046-L14082Exploit, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2022/09/msg00021.htmlMailing List, Third Party Advisory
• https://modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.htmlRelease Notes, Third Party Advisory

Published

Aug 25, 2022

Last Modified

Jun 17, 2026

Status

Modified

• Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2022-22543SAP NetWeaver Application Server for ABAP (Kernel) and ABAP …7.5
• CVE-2022-22544Solution Manager (Diagnostics Root Cause Analysis Tools) - v…9.1
• CVE-2022-22545A high privileged user who has access to transaction SM59 ca…4.9
• CVE-2022-22546Due to improper HTML encoding in input control summary, an a…5.4
• CVE-2022-22547Simple Diagnostics Agent - versions 1.0 (up to version 1.57.…7.5
• CVE-2022-22549Dell PowerScale OneFS, 8.2.x-9.3.x, contains a Improper Cert…8.1
• CVE-2022-22550Dell PowerScale OneFS, versions 8.2.2 and above, contain a p…6.7
• CVE-2022-22551DELL EMC AppSync versions 3.9 to 4.3 use GET request method …8.8
• CVE-2022-22552Dell EMC AppSync versions 3.9 to 4.3 contain a clickjacking …6.1
• CVE-2022-22553Dell EMC AppSync versions 3.9 to 4.3 contain an Improper Res…9.8
• CVE-2022-22554Dell EMC System Update, version 1.9.2 and prior, contain an …5.5
• CVE-2022-22555Dell EMC PowerStore, contains an OS command injection Vulner…6.7