In Django 2.2 before 2.2.21, 3.1 before 3.1.9, and 3.2 before 3.2.1, MultiPartParser…
Priority MEDIUM 41CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure, Code execution
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 3 fixed, 8 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-22, CWE-434 and the CVSS impact.
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.
Why it matters now
EPSS 0.05334 92nd percentileScored 2026-11-07
Fix Partial Django (PyPI): 2.2.21, 3.1.9, 3.2.1Red Hat: 2 advisoriesRed Hat: 3 fixed, 8 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | Django (PyPI) | 2.2 to before 2.2.21 | 2.2.21 | Patch available | GHSA-rxjp-mfm9-w4wr |
| — | Django (PyPI) | 3.0 to before 3.1.9 | 3.1.9 | Patch available | GHSA-rxjp-mfm9-w4wr |
| — | Django (PyPI) | 3.2 to before 3.2.1 | 3.2.1 | Patch available | GHSA-rxjp-mfm9-w4wr |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- Django (PyPI) Vendor— Affected 2.2 to before 2.2.21 Fixed in 2.2.21 Patch available GHSA-rxjp-mfm9-w4wr
- Django (PyPI) Vendor— Affected 3.0 to before 3.1.9 Fixed in 3.1.9 Patch available GHSA-rxjp-mfm9-w4wr
- Django (PyPI) Vendor— Affected 3.2 to before 3.2.1 Fixed in 3.2.1 Patch available GHSA-rxjp-mfm9-w4wr
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:* | 2.2 to before 2.2.21; 3.1 to before 3.1.9; 3.2 to before 3.2.1 | Vulnerable | djangoproject |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
- cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:* Versions 2.2 to before 2.2.21; 3.1 to before 3.1.9; 3.2 to before 3.2.1 Vulnerable ·djangoproject
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
Remediation
- Fix · GHSA-rxjp-mfm9-w4wr Django (PyPI) Fixed in 2.2.21 Advisory →
- Fix · GHSA-rxjp-mfm9-w4wr Django (PyPI) Fixed in 3.1.9 Advisory →
- Fix · GHSA-rxjp-mfm9-w4wr Django (PyPI) Fixed in 3.2.1 Advisory →
Red Hat 2 advisories
- RHSA-2021:5070 Released 2021-12-09 · Red Hat rating ModerateRed Hat OpenStack Platform 16.1 (python-django20) security update
- Red Hat OpenStack Platform 16.1 python-django20-2.0.13-16.el8ost.1, python-django20-bash-completion-2.0.13-16.el8ost.1, python3-django20-2.0.13-16.el8ost.1
- RHSA-2021:4702 Released 2021-11-16 · Red Hat rating ModerateSatellite 6.10 Release
- Red Hat Satellite 6.10 candlepin-4.0.9-1.el7sat, foreman-2.5.2.17-2.el7sat, python-aiohttp-3.7.4-1.el7pc +14
- Red Hat Satellite Capsule 6.10 foreman-2.5.2.17-2.el7sat, python-aiohttp-3.7.4-1.el7pc, python-ecdsa-0.13.3-2.el7pc +9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Ansible Automation Platform 1.2 | Affected | No fix yet |
| Red Hat Ceph Storage 2 | Affected | No fix planned: Out of support scope |
| Red Hat Ceph Storage 3 | Affected | No fix planned: Out of support scope |
| Red Hat OpenStack Platform 10 (Newton) | Affected | No fix planned: Out of support scope |
| Red Hat OpenStack Platform 13 (Queens) | Affected | No fix planned: Will not fix |
| Red Hat Satellite 6 | Affected | No fix planned: Will not fix |
| Red Hat Storage 3 | Affected | No fix planned: Will not fix |
| Red Hat Update Infrastructure 3 for Cloud Providers | Affected | No fix planned: Will not fix |
| Red Hat OpenStack Platform 16.1 | Fixed | RHSA-2021:5070 |
| Red Hat Satellite 6.10 | Fixed | RHSA-2021:4702 |
| Red Hat Satellite Capsule 6.10 | Fixed | RHSA-2021:4702 |
Not affected: 3 products
- Red Hat Ansible Tower 3
- Red Hat Satellite 6.10
- Red Hat Satellite Capsule 6.10
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31542
- 2026-10-03 Alias added: GHSA-rxjp-mfm9-w4wr
References
Patch 2
Advisory 7
- https://www.djangoproject.com/weblog/2021/may/04/security-releases/
- [debian-lts-announce] 20210506 [SECURITY] [DLA 2651-1] python-django security update
- FEDORA-2021-01044b8a59
- https://security.netapp.com/advisory/ntap-20210618-0001/
- FEDORA-2022-e7fd530688
- https://nvd.nist.gov/vuln/detail/CVE-2021-31542
- https://github.com/advisories/GHSA-rxjp-mfm9-w4wr
Other 14
- https://groups.google.com/forum/#%21forum/django-announce
- https://github.com/django/django/commit/04ac1624bdc2fa737188401757cf95ced122d26d
- https://github.com/django/django/commit/25d84d64122c15050a0ee739e859f22ddab5ac48
- https://github.com/django/django/commit/c98f446c188596d4ba6de71d1b77b4a6c5c2a007
- https://www.djangoproject.com/weblog/2021/may/04/security-releases
- https://security.netapp.com/advisory/ntap-20210618-0001
- https://lists.fedoraproject.org/archives/list/[email protected]/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE
- https://lists.fedoraproject.org/archives/list/[email protected]/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV
- https://groups.google.com/forum/#!forum/django-announce
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2021-7.yaml
- https://github.com/django/django
- https://docs.djangoproject.com/en/3.2/releases/security
Sources
- CVE-2021-31542 · CVE Program
- CVE-2021-31542 · NVD
- FIRST EPSS
- GHSA-rxjp-mfm9-w4wr · GitHub Advisory Database · CC BY 4.0
- CVE-2021-31542 · Red Hat security data · CC BY 4.0
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