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CVE-2021-31542 — Path Traversal in django — CVE Details

HIGH

Path Traversal in Django

Published June 4, 2021Updated September 20, 2024Source: osv

What Should I Do?

Address in Next Maintenance Window

Low exploitation probability (6.38%). Schedule for your next planned update.

Summary

In Django 2.2 before 2.2.21, 3.1 before 3.1.9, and 3.2 before 3.2.1, MultiPartParser, UploadedFile, and FieldFile allowed directory traversal via uploaded files with suitably crafted file names.

Advisory Timeline

  • First published June 4, 2021 (1956 days ago).
  • Last revised September 20, 2024 — 1204 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update django to 3.1.9 or later
pip install "django>=3.1.9"
pip
Update django to 3.2.1 or later
pip install "django>=3.2.1"
pip
Update django to 2.2.21 or later
pip install "django>=2.2.21"

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
3.0, 3.0.1, 3.0.10, 3.0.11 (+23 more)3.1.9
django
pypi
3.23.2.1
django
pypi
2.2, 2.2.1, 2.2.10, 2.2.11 (+17 more)2.2.21

Vulnerability Classification

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

  • CWE-22
    Path TraversalMITRE
  • CWE-434
    Unrestricted File UploadMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

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

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

References

Frequently Asked Questions

What is CVE-2021-31542?
Path Traversal in Django This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2021-31542?
CVE-2021-31542 affects django. It has a 6.4% probability of exploitation within 30 days (EPSS score). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-31542 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

EPSS Score (30-day exploit probability)
6.38%
Higher than 91% of vulnerabilities

This places it in the top 10% of EPSS-scored vulnerabilities — 90.8% of tracked vulnerabilities score at or below it, so it is substantially more likely to be exploited than most tracked vulnerabilities.

Also Known As

GHSA-rxjp-mfm9-w4wr
BIT-django-2021-31542
PYSEC-2021-7

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