{"schema_version":"1.9.0","id":"BIT-django-2021-33571","published":"2024-03-06T10:54:33.880Z","modified":"2026-09-08T08:46:24.843803139Z","aliases":["CVE-2021-33571","GHSA-p99v-5w3c-jqq9","PYSEC-2021-99"],"details":"In Django 2.2 before 2.2.24, 3.x before 3.1.12, and 3.2 before 3.2.4, URLValidator, validate_ipv4_address, and validate_ipv46_address do not prohibit leading zero characters in octal literals. This may allow a bypass of access control that is based on IP addresses. (validate_ipv4_address and validate_ipv46_address are unaffected with Python 3.9.5+..) .","affected":[{"package":{"name":"django","ecosystem":"Bitnami","purl":"pkg:bitnami/django"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.2.0"},{"fixed":"2.2.24"},{"introduced":"3.0.0"},{"fixed":"3.1.12"},{"introduced":"3.2.0"},{"fixed":"3.2.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/django/BIT-django-2021-33571.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}],"references":[{"type":"ADVISORY","url":"https://docs.djangoproject.com/en/3.2/releases/security/"},{"type":"WEB","url":"https://github.com/django/django/commit/203d4ab9ebcd72fc4d6eb7398e66ed9e474e118e"},{"type":"WEB","url":"https://github.com/django/django/commit/9f75e2e562fa0c0482f3dde6fc7399a9070b4a3d"},{"type":"WEB","url":"https://github.com/django/django/commit/f27c38ab5d90f68c9dd60cabef248a570c0be8fc"},{"type":"ADVISORY","url":"https://groups.google.com/g/django-announce/c/sPyjSKMi8Eo"},{"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-20210727-0004/"},{"type":"ADVISORY","url":"https://www.djangoproject.com/weblog/2021/jun/02/security-releases/"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33571"}],"database_specific":{"cpes":["cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*"],"severity":"High"}}