Vulnerabilities > CVE-2021-45115

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

djangoproject

fedoraproject

NVD

Published: 2022-01-05

Updated: 2024-11-21

Summary

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.

Vulnerable Configurations

Part	Description	Count
Application	Djangoproject Djangoproject Django 2.2 Djangoproject Django 2.2.1 Djangoproject Django 2.2.2 Djangoproject Django 2.2.3 Djangoproject Django 2.2.4 Djangoproject Django 2.2.5 Djangoproject Django 2.2.6 Djangoproject Django 2.2.7 Djangoproject Django 2.2.8 Djangoproject Django 2.2.9 Djangoproject Django 2.2.10 Djangoproject Django 2.2.11 Djangoproject Django 2.2.13 Djangoproject Django 2.2.14 Djangoproject Django 2.2.15 Djangoproject Django 2.2.16 Djangoproject Django 2.2.17 Djangoproject Django 2.2.18 Djangoproject Django 2.2.19 Djangoproject Django 2.2.20 Djangoproject Django 2.2.21 Djangoproject Django 2.2.22 Djangoproject Django 2.2.23 Djangoproject Django 2.2.24 Djangoproject Django 2.2.25 Djangoproject Django 3.2 Djangoproject Django 3.2.1 Djangoproject Django 3.2.2 Djangoproject Django 3.2.3 Djangoproject Django 3.2.4 Djangoproject Django 3.2.5 Djangoproject Django 3.2.6 Djangoproject Django 3.2.7 Djangoproject Django 3.2.8 Djangoproject Django 3.2.9 Djangoproject Django 3.2.10 Djangoproject Django 4.0	43
OS	Fedoraproject Fedoraproject Fedora 35	1

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Summary

Vulnerable Configurations

References

Vulnerabilities > CVE-2021-45115