{"schema_version":"1.9.0","id":"BIT-django-2021-45115","published":"2024-03-06T10:53:58.206Z","modified":"2026-09-08T08:46:26.922279449Z","aliases":["CVE-2021-45115","GHSA-53qw-q765-4fww","PYSEC-2022-1"],"details":"An issue was discovered in Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1. UserAttributeSimilarityValidator incurred significant overhead in evaluating a submitted password that was artificially large in relation to the comparison values. In a situation where access to user registration was unrestricted, this provided a potential vector for a denial-of-service attack.","affected":[{"package":{"name":"django","ecosystem":"Bitnami","purl":"pkg:bitnami/django"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.2.0"},{"fixed":"2.2.26"},{"introduced":"3.2.0"},{"fixed":"3.2.11"},{"introduced":"4.0.0"},{"fixed":"4.0.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/django/BIT-django-2021-45115.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"references":[{"type":"ADVISORY","url":"https://docs.djangoproject.com/en/4.0/releases/security/"},{"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-20220121-0005/"},{"type":"ADVISORY","url":"https://www.djangoproject.com/weblog/2022/jan/04/security-releases/"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45115"}],"database_specific":{"cpes":["cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*"],"severity":"High"}}