CVE-2021-44420

Publication date 7 December 2021

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.3 · High

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
python-django 22.04 LTS jammy
Fixed in 2:3.2.11-1
21.10 impish
Fixed in 2:2.2.24-1ubuntu1.1
21.04 hirsute
Fixed in 2:2.2.20-1ubuntu0.3
20.04 LTS focal
Fixed in 2:2.2.12-1ubuntu0.8
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

mdeslaur

code in bionic is different, doesn't look affected

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.3 · High

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

Related Ubuntu Security Notices (USN)

Other references

Access our resources on patching vulnerabilities