{"id":"CVE-2021-44420","aliases":["BIT-django-2021-44420","GHSA-v6rh-hp5x-86rv","PYSEC-2021-439"],"url":"https://o3.security/vulnerability/CVE-2021-44420","summary":"Potential bypass of an upstream access control based on URL paths in Django","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.","published":"2021-12-08T00:15:07.757Z","modified":"2026-07-08T06:00:46.414749942Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"django","fixedVersion":"2.2.25"},{"ecosystem":"PyPI","name":"django","fixedVersion":"3.1.14"},{"ecosystem":"PyPI","name":"django","fixedVersion":"3.2.10"}],"fix":null,"references":[{"type":"WEB","url":"https://groups.google.com/forum/#%21forum/django-announce"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20211229-0006/"},{"type":"FIX","url":"https://docs.djangoproject.com/en/3.2/releases/security/"},{"type":"FIX","url":"https://www.djangoproject.com/weblog/2021/dec/07/security-releases/"},{"type":"FIX","url":"https://www.openwall.com/lists/oss-security/2021/12/07/1"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T06:00:46.414749942Z"}}