CVE-2021-31542

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.36% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory djangoproject.com Vendor Advisory djangoproject.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://groups.google.com/forum/#%21forum/django-announce
https://docs.djangoproject.com/en/3.2/releases/security/ patch vendor advisory
http://www.openwall.com/lists/oss-security/2021/05/04/3 patch mailing list third party advisory
https://www.djangoproject.com/weblog/2021/may/04/security-releases/ release notes vendor advisory
https://lists.debian.org/debian-lts-announce/2021/05/msg00005.html third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE/ vendor advisory
https://security.netapp.com/advisory/ntap-20210618-0001/ third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/ vendor advisory
https://github.com/django/django/commit/04ac1624bdc2fa737188401757cf95ced122d26d
https://github.com/django/django/commit/25d84d64122c15050a0ee739e859f22ddab5ac48
https://github.com/django/django/commit/c98f446c188596d4ba6de71d1b77b4a6c5c2a007

Frequently Asked Questions

What is the severity of CVE-2021-31542?
CVE-2021-31542 has been scored as a high severity vulnerability.
How to fix CVE-2021-31542?
To fix CVE-2021-31542, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31542 being actively exploited in the wild?
It is possible that CVE-2021-31542 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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