What’s Vulnerable › Vulnerabilities

CVE-2021-45452: Directory-traversal in Django

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-05 · updated 2026-06-17
• Weakness: CWE-22

Description

Storage.save in Django 2.2 before 2.2.26, 3.2 before 3.2.11, and 4.0 before 4.0.1 allows directory traversal if crafted filenames are directly passed to it.

Affected products

• Django: from 2.2 before 2.2.26; from 3.2 before 3.2.11; from 4.0 before 4.0.1 — fixed in 2.2.26, 3.2.11, 4.0.1
• Fedoraproject Fedora: 35
• Pypi Django: from 2.2 before 2.2.26; from 3.2 before 3.2.11; from 4.0 before 4.0.1; 2.2, 2.2.1, 2.2.10, 2.2.11, 2.2.12, 2.2.13 (+32) — fixed in 2.2.26, 3.2.11, 4.0.1

How to fix

Upgrade to a fixed version: Django 2.2.26, 3.2.11, 4.0.1; Pypi Django 2.2.26, 3.2.11, 4.0.1. Check the vendor advisory for mitigations.

References

• https://docs.djangoproject.com/en/4.0/releases/security/
• https://groups.google.com/forum/#%21forum/django-announce
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
• https://security.netapp.com/advisory/ntap-20220121-0005/
• https://www.djangoproject.com/weblog/2022/jan/04/security-releases/
• https://docs.djangoproject.com/en/4.0/releases/security/
• https://groups.google.com/forum/#%21forum/django-announce
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
• https://security.netapp.com/advisory/ntap-20220121-0005/
• https://www.djangoproject.com/weblog/2022/jan/04/security-releases/

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