{"id":"CVE-2021-31542","aliases":["BIT-django-2021-31542","GHSA-rxjp-mfm9-w4wr","PYSEC-2021-7"],"url":"https://o3.security/vulnerability/CVE-2021-31542","summary":"Path Traversal in Django","details":"In Django 2.2 before 2.2.21, 3.1 before 3.1.9, and 3.2 before 3.2.1, MultiPartParser, UploadedFile, and FieldFile allowed directory traversal via uploaded files with suitably crafted file names.","published":"2021-05-05T15:15:08.483Z","modified":"2026-07-15T10:14:48.090886749Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"PyPI","name":"django","fixedVersion":"2.2.21"},{"ecosystem":"PyPI","name":"django","fixedVersion":"3.1.9"},{"ecosystem":"PyPI","name":"django","fixedVersion":"3.2.1"}],"fix":{"url":"https://github.com/django/django/commit/04ac1624bdc2fa737188401757cf95ced122d26d","label":"django/django@04ac162"},"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":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/05/msg00005.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210618-0001/"},{"type":"ADVISORY","url":"https://www.djangoproject.com/weblog/2021/may/04/security-releases/"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2021/05/04/3"},{"type":"FIX","url":"https://docs.djangoproject.com/en/3.2/releases/security/"},{"type":"FIX","url":"https://github.com/django/django/commit/04ac1624bdc2fa737188401757cf95ced122d26d"},{"type":"FIX","url":"https://github.com/django/django/commit/25d84d64122c15050a0ee739e859f22ddab5ac48"},{"type":"FIX","url":"https://github.com/django/django/commit/c98f446c188596d4ba6de71d1b77b4a6c5c2a007"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T10:14:48.090886749Z"}}