CVE-2021-31542
HIGH
7.5
CVSS Score
Published: May 5, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 03:51 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraDjango
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Severity
HIGH7.5
Exploit prediction
EPSS 5%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%95%
2.2 ≤ v < 2.2.213.1 ≤ v < 3.1.93.2 ≤ v < 3.2.1
Affected range stops below 2.2.21, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.1.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.2.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://www.openwall.com/lists/oss-security/2021/05/04/3
- https://docs.djangoproject.com/en/3.2/releases/security/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE/
- https://www.djangoproject.com/weblog/2021/may/04/security-releases/
References (11)
Mailing ListPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/05/04/3PatchVendor Advisory
Source: [email protected]
https://docs.djangoproject.com/en/3.2/releases/security/Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/05/msg00005.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-22
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