Vulnerability Details : CVE-2021-45115
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.
Vulnerability category: Denial of service
Products affected by CVE-2021-45115
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*
- cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*
- cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45115
0.35%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45115
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
References for CVE-2021-45115
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
[SECURITY] Fedora 35 Update: python-django-3.2.12-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://docs.djangoproject.com/en/4.0/releases/security/
Archive of security issues | Django documentation | DjangoPatch;Vendor Advisory
-
https://www.djangoproject.com/weblog/2022/jan/04/security-releases/
Django security releases issued: 4.0.1, 3.2.11, and 2.2.26 | Weblog | DjangoPatch;Vendor Advisory
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https://security.netapp.com/advisory/ntap-20220121-0005/
January 2022 Django Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://groups.google.com/forum/#!forum/django-announce
django-announce - Google GroupsThird Party Advisory
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