High severity · published Dec 8, 2021
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
7.3
CVSS
2.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
DJ
Django · Djangoproject
2.2 before 2.2.25; 3.1 before 3.1.14; 3.2 before 3.2.10 · source: NVD
FE
Fedora · Fedoraproject
35 · source: NVD
SA
Satellite · Redhat
6.0 · source: NVD
UL
Ubuntu Linux · Canonical
20.04; 21.04; 21.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-44420
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-44420
Patch
https://docs.djangoproject.com/en/3.2/releases/security/
groups.google.com
https://groups.google.com/forum/#%21forum/django-announce
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20211229-0006/
Patch
https://www.djangoproject.com/weblog/2021/dec/07/security-releases/
Mailing List
https://www.openwall.com/lists/oss-security/2021/12/07/1
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