VulnerabilityModified

CVE-2021-44420

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.

HIGH 7.3EPSS 2.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1: 7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS: 2.31% probability · 82th percentile
CISA KEV: Not listed
Affected: djangoproject/django · redhat/satellite · debian/debian linux · canonical/ubuntu linux · fedoraproject/fedora
Source: cve@mitre.org

References

https://docs.djangoproject.com/en/3.2/releases/security/Patch, Vendor Advisory
https://groups.google.com/forum/#%21forum/django-announce
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
https://security.netapp.com/advisory/ntap-20211229-0006/Third Party Advisory
https://www.djangoproject.com/weblog/2021/dec/07/security-releases/Patch, Vendor Advisory
https://www.openwall.com/lists/oss-security/2021/12/07/1Mailing List, Patch, Third Party Advisory
https://docs.djangoproject.com/en/3.2/releases/security/Patch, Vendor Advisory
https://groups.google.com/forum/#%21forum/django-announce
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
https://security.netapp.com/advisory/ntap-20211229-0006/Third Party Advisory
https://www.djangoproject.com/weblog/2021/dec/07/security-releases/Patch, Vendor Advisory
https://www.openwall.com/lists/oss-security/2021/12/07/1Mailing List, Patch, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.