{"id":"UBUNTU-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.","modified":"2026-01-30T00:30:35.129391Z","published":"2022-07-22T14:01:00Z","related":["USN-5551-1"],"upstream":["CVE-2022-2255"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-2255"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-2255"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5551-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-2255"}],"affected":[{"package":{"name":"mod-wsgi","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mod-wsgi@4.5.17-1ubuntu1.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.17-1ubuntu1.1"}]}],"versions":["4.5.17-1","4.5.17-1ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libapache2-mod-wsgi","binary_version":"4.5.17-1ubuntu1.1"},{"binary_name":"libapache2-mod-wsgi-py3","binary_version":"4.5.17-1ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-2255.json"}},{"package":{"name":"mod-wsgi","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/mod-wsgi@4.6.8-1ubuntu3.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.8-1ubuntu3.1"}]}],"versions":["4.6.5-1","4.6.8-0ubuntu1","4.6.8-1","4.6.8-1build1","4.6.8-1ubuntu1","4.6.8-1ubuntu2","4.6.8-1ubuntu3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libapache2-mod-wsgi","binary_version":"4.6.8-1ubuntu3.1"},{"binary_name":"libapache2-mod-wsgi-py3","binary_version":"4.6.8-1ubuntu3.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-2255.json"}},{"package":{"name":"mod-wsgi","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/mod-wsgi@4.9.0-1ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-1ubuntu0.1"}]}],"versions":["4.7.1-3build2","4.9.0-1","4.9.0-1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libapache2-mod-wsgi-py3","binary_version":"4.9.0-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-2255.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}