CVE-2021-44420 — Improper Authentication in Django

CWE-287 — Improper AuthenticationCWE-290 — Authentication Bypass by Spoofing8 documents7 sources
Severity
7.3HIGHNVD
EPSS
0.1%
top 69.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Djangoproject DjangoCanonical Ubuntu LinuxDebian Linux+2 more
Timeline
PublishedDec 8
Latest updateDec 9

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:LExploitability: 3.9 | Impact: 3.4

Affected Packages3 packages

▶NVDdjangoproject/django2.2 — 2.2.25+2
▶PyPIdjangoproject/django2.2a1 — 2.2.25+2

Also affects: Debian Linux 10.0, 11.0, Fedora 35, Ubuntu Linux 20.04, 21.04, 21.10

Patches

Patch: docs.djangoproject.com ↗Patch: www.djangoproject.com ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

4
OSV
Potential bypass of an upstream access control based on URL paths in Django↗2021-12-09
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GHSA
Potential bypass of an upstream access control based on URL paths in Django↗2021-12-09
▶
OSV
CVE-2021-44420: In Django 2↗2021-12-08
▶
CVEList
CVE-2021-44420: In Django 2↗2021-12-07
▶

📋Vendor Advisories

3
Red Hat
django: potential bypass of an upstream access control based on URL paths↗2021-12-07
▶
Ubuntu
Django vulnerability↗2021-12-07
▶
Debian
CVE-2021-44420: python-django - In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requ...↗2021
▶
CVE-2021-44420 — Improper Authentication in Django | cvebase