Vulnerability · Published Dec 7, 2021 · Assigned by mitre

CVE-2021-44420

High 7.3

In plain English

A high-severity security flaw in the py3-django package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.3High

Exploit odds (30 days)2.4%top 15.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Alpine:v3.20	py3-django	3.2.12-r0	ALPINE-CVE-2021-44420
Alpine:v3.21	py3-django	3.2.12-r0	ALPINE-CVE-2021-44420
Alpine:v3.22	py3-django	3.2.12-r0	ALPINE-CVE-2021-44420
Alpine:v3.23	py3-django	3.2.12-r0	ALPINE-CVE-2021-44420
Alpine:v3.24	py3-django	3.2.12-r0	ALPINE-CVE-2021-44420
Debian:12	python-django	2:3.2.10-1	DEBIAN-CVE-2021-44420
Debian:13	python-django	2:3.2.10-1	DEBIAN-CVE-2021-44420
Debian:14	python-django	2:3.2.10-1	DEBIAN-CVE-2021-44420
PyPI	django	2.2.25	GHSA-v6rh-hp5x-86rv
PyPI	django	3.1.14	GHSA-v6rh-hp5x-86rv
PyPI	django	3.2.10	GHSA-v6rh-hp5x-86rv
PyPI	django	2.2.25, 3.1.14, 3.2.10	PYSEC-2021-439
Rocky Linux:8	libdb	0:5.3.28-42.el8_4	RLSA-2022:5498

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://groups.google.com/forum/#%21forum/django-announce x_refsource_MISC
https://docs.djangoproject.com/en/3.2/releases/security/ x_refsource_MISC
https://www.openwall.com/lists/oss-security/2021/12/07/1 x_refsource_CONFIRM
https://www.djangoproject.com/weblog/2021/dec/07/security-releases/ x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-20211229-0006/ x_refsource_CONFIRM
FEDORA-2022-e7fd530688 vendor-advisory, x_refsource_FEDORA