{"id":"CVE-2022-2255","details":"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.","aliases":["BIT-mod_wsgi-2022-2255","GHSA-7527-8855-9cf8","PYSEC-2022-254"],"modified":"2026-08-12T03:51:27.672336433Z","published":"2022-08-25T17:26:19Z","related":["ALSA-2025:4791","SUSE-SU-2022:4010-1","SUSE-SU-2022:4013-1","SUSE-SU-2022:4488-1","openSUSE-SU-2024:12535-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2255.json","cna_assigner":"redhat","cwe_ids":["CWE-348"]},"references":[{"type":"WEB","url":"https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L13940-L13941"},{"type":"WEB","url":"https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L14046-L14082"},{"type":"WEB","url":"https://modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2255.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-2255"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00021.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/grahamdumpleton/mod_wsgi","events":[{"introduced":"a376ffc899a160e8ee91160e2da76edcfa260b31"},{"fixed":"a376ffc899a160e8ee91160e2da76edcfa260b31"}],"database_specific":{"cpe":"cpe:2.3:a:modwsgi:mod_wsgi:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"mod_wsgi versions prior to 4.9.3"},{"last_affected":"mod_wsgi versions prior to 4.9.3"},{"introduced":"0"},{"fixed":"4.9.3"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["mod_wsgi versions prior to 4.9.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-2255.json"}}],"schema_version":"1.9.0"}