Loading...
Skip to main content
GeekWala

CVE-2021-44420 — Vulnerability in django — CVE Details

MEDIUM

Potential bypass of an upstream access control based on URL paths in Django

Published December 9, 2021Updated November 19, 2024Source: osv

What Should I Do?

Address in Next Maintenance Window

Low exploitation probability (0.12%). Schedule for your next planned update.

Summary

In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requests for URLs with trailing newlines could bypass upstream access control based on URL paths. This issue has low severity, according to the Django security policy.

Advisory Timeline

  • First published December 9, 2021 (1768 days ago).
  • Last revised November 19, 2024 — 1075 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update django to 2.2.25 or later
pip install "django>=2.2.25"
pip
Update django to 3.2.10 or later
pip install "django>=3.2.10"
pip
Update django to 3.1.14 or later
pip install "django>=3.1.14"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (3)

Affects 1 ecosystem: pypi (1).

PackageEcosystemAffectedFixed In
django
pypi
2.2, 2.2.1, 2.2.10, 2.2.11 (+24 more)2.2.25
django
pypi
3.2, 3.2.1, 3.2.2, 3.2.3 (+9 more)3.2.10
django
pypi
3.0, 3.0.1, 3.0.10, 3.0.11 (+31 more)3.1.14

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-287
    Improper AuthenticationMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.3 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

Frequently Asked Questions

What is CVE-2021-44420?
Potential bypass of an upstream access control based on URL paths in Django This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 7.3/10).
How do I check if my project is affected by CVE-2021-44420?
CVE-2021-44420 affects django. It has a 0.1% probability of exploitation within 30 days (EPSS score). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-44420 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.3

High exploitability or significant impact. Prioritize remediation within days.

EPSS Score (30-day exploit probability)
0.12%
Higher than 31% of vulnerabilities

This is a below-median EPSS score — only 31.1% of tracked vulnerabilities score at or below it, so most tracked vulnerabilities are considered more likely to be exploited than this one.

Also Known As

GHSA-v6rh-hp5x-86rv
BIT-django-2021-44420
PYSEC-2021-439

Related CVEs

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies