An issue was discovered in Django 5.0 before 5.0.7 and 4.2 before 4.2.14. The django.contrib.auth.backends.ModelBackend.authenticate() method allows remote attackers to enumerate users via a timing attack involving login requests for users with an unusable password.

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-39329
• https://docs.djangoproject.com/en/dev/releases/security
• https://groups.google.com/forum/#%21forum/django-announce
• https://www.djangoproject.com/weblog/2024/jul/09/security-releases
• django/django@07cefde
• django/django@156d318
• https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2024-57.yaml