{"id":"UBUNTU-CVE-2021-44420","details":"In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requests for URLs with trailing newlines could bypass upstream access control based on URL paths.","modified":"2026-01-30T00:58:22.519120Z","published":"2021-12-07T08:00:00Z","related":["USN-5178-1"],"upstream":["CVE-2021-44420"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-44420"},{"type":"REPORT","url":"https://www.djangoproject.com/weblog/2021/dec/07/security-releases/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5178-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-44420"}],"affected":[{"package":{"name":"python-django","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/python-django@2:2.2.12-1ubuntu0.8?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.2.12-1ubuntu0.8"}]}],"versions":["1:1.11.22-1ubuntu1","2:2.2.6-1ubuntu1","2:2.2.9-2ubuntu1","2:2.2.10-1","2:2.2.10-1ubuntu1","2:2.2.11-1","2:2.2.12-1","2:2.2.12-1ubuntu0.1","2:2.2.12-1ubuntu0.2","2:2.2.12-1ubuntu0.3","2:2.2.12-1ubuntu0.4","2:2.2.12-1ubuntu0.5","2:2.2.12-1ubuntu0.6","2:2.2.12-1ubuntu0.7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-django","binary_version":"2:2.2.12-1ubuntu0.8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-44420.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:L/I:L/A:L"},{"type":"Ubuntu","score":"low"}]}