CVE catalog
CVE-2021-44420
python-django: CVE-2021-44420
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.42% · Oct 27, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | python-django | sid | 3:5.2.18-2 | fixed |
| Debian | python-django | forky | 3:5.2.17-2 | fixed |
| Debian | python-django | trixie | 3:4.2.28-0+deb13u2 | fixed |
| Debian | python-django | trixie-security | 3:4.2.28-0+deb13u1 | fixed |
| Debian | python-django | bookworm | 3:3.2.25-0+deb12u3 | fixed |
| Debian | python-django | bookworm-security | 3:3.2.25-0+deb12u6 | fixed |
| Ubuntu | python-django | 20.04 | 1:1.11.22-1ubuntu1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.6-1ubuntu1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.9-2ubuntu1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.10-1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.10-1ubuntu1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.11-1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.2 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.3 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.4 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.5 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.6 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.7 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.8 | fixed |
| Ubuntu | python-django | 20.04 | 1:1.11.22-1ubuntu1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.6-1ubuntu1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.9-2ubuntu1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.10-1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.10-1ubuntu1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.11-1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.1 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.2 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.3 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.4 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.5 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.6 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.7 | vulnerable |
| Ubuntu | python-django | 20.04 | 2:2.2.12-1ubuntu0.8 | fixed |
| Opensuse | python-sentry-sdk | tumbleweed | 2.20.0-1.1 | fixed |
| Opensuse | python-sentry-sdk | tumbleweed | 1.5.4-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | python-django | source | sid | 2:3.2.10-1 | not yet assigned | Not reported | Not reported |
| Debian | python-django | source | forky | 2:3.2.10-1 | not yet assigned | Not reported | Not reported |
| Debian | python-django | source | trixie | 2:3.2.10-1 | not yet assigned | Not reported | Not reported |
| Debian | python-django | source | bookworm | 2:3.2.10-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | python-django | deb | 20.04 | 2:2.2.12-1ubuntu0.8 | Not reported | USN-5178-1 | Not reported |
| Ubuntu | python-django | deb | 20.04 | 2:2.2.12-1ubuntu0.8 | Not reported | UBUNTU-CVE-2021-44420 | Not reported |
| Opensuse | python-sentry-sdk | rpm | tumbleweed | 2.20.0-1.1 | Not reported | OPENSUSE-SU-2025:14702-1 | Not reported |
| Opensuse | python-sentry-sdk | rpm | tumbleweed | 1.5.4-1.1 | Not reported | OPENSUSE-SU-2024:11791-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [python3-django]Unknown
Source package: [python-django]
Details (6)
3:3.2.25-0+deb12u3· all · bookwormFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
3:3.2.25-0+deb12u3· all · bookwormFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
3:4.2.21-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
3:4.2.21-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
3:3.2.25-0+deb12u4· all · bookworm-securityFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
3:3.2.25-0+deb12u4· all · bookworm-securityFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
- [python-django-doc]Unknown
Source package: [python-django]
Details (6)
3:3.2.25-0+deb12u3· all · bookwormFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
3:3.2.25-0+deb12u3· all · bookwormFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
3:4.2.21-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
3:4.2.21-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
3:3.2.25-0+deb12u4· all · bookworm-securityFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
3:3.2.25-0+deb12u4· all · bookworm-securityFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · bookworm; dsa · python-django · debian · 12
[Debian 13 (Trixie)]
- [python3-django]Unknown
Source package: [python-django]
Details (6)
3:4.2.28-0+deb13u2· all · trixieFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
3:4.2.28-0+deb13u2· all · trixieFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
3:5.2.16-1~bpo13+1· all · trixie-backportsFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
3:5.2.16-1~bpo13+1· all · trixie-backportsFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
3:4.2.28-0+deb13u1· all · trixie-securityFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
3:4.2.28-0+deb13u1· all · trixie-securityFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
- [python-django-doc]Unknown
Source package: [python-django]
Details (6)
3:4.2.28-0+deb13u2· all · trixieFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
3:4.2.28-0+deb13u2· all · trixieFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
3:5.2.16-1~bpo13+1· all · trixie-backportsFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
3:5.2.16-1~bpo13+1· all · trixie-backportsFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
3:4.2.28-0+deb13u1· all · trixie-securityFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
3:4.2.28-0+deb13u1· all · trixie-securityFixed · Fixed:
2:3.2.10-1dsa · python-django · debian · 13
[openSUSE Tumbleweed]
- [python313-sentry-sdk]Unknown
Source package: [python-sentry-sdk]
Details (1)
2.66.1-1.1· noarch · tumbleweedUnknown · Fixed:
1.5.4-1.1, 2.20.0-1.1Version impact unknown
dsa · python-sentry-sdk · opensuse · tumbleweed
- [python314-sentry-sdk]Unknown
Source package: [python-sentry-sdk]
Details (1)
2.66.1-1.1· noarch · tumbleweedUnknown · Fixed:
1.5.4-1.1, 2.20.0-1.1Version impact unknown
dsa · python-sentry-sdk · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2023_0005-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-44420]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-44420]
- [https://osv.dev/vulnerability/USN-5178-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:11791-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2025:14702-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-44420]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-44420.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0302.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]