high
7.5
CWE
290 287
Advisory Published
CVE Published
CVE Published
Advisory Published
Updated

CVE-2021-44420

First published: Wed Dec 01 2021(Updated: )

HTTP requests for URLs with trailing newlines could bypass an upstream access control based on URL paths.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/python-django<0:3.2.13-1.el8
0:3.2.13-1.el8
redhat/python-django<0:3.2.16-1.0.1.el8
0:3.2.16-1.0.1.el8
redhat/django<3.2.10
3.2.10
redhat/django<3.1.14
3.1.14
redhat/django<2.2.25
2.2.25
pip/Django>=3.2a1<3.2.10
3.2.10
pip/Django>=3.0a1<3.1.14
3.1.14
pip/Django>=2.2a1<2.2.25
2.2.25
djangoproject Django>=2.2<2.2.25
djangoproject Django>=3.1<3.1.14
djangoproject Django>=3.2<3.2.10
redhat satellite=6.0
Debian=10.0
Debian=11.0
Ubuntu=20.04
Ubuntu=21.04
Ubuntu=21.10
Fedora=35

Remedy

https://docs.djangoproject.com/en/3.2/releases/security/

Remedy

https://www.djangoproject.com/weblog/2021/dec/07/security-releases/

Remedy

https://www.openwall.com/lists/oss-security/2021/12/07/1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2021-44420?

    The severity of CVE-2021-44420 is medium, with a severity value of 5.3.

  • How can HTTP requests with trailing newlines bypass access control in Django versions affected by CVE-2021-44420?

    HTTP requests with trailing newlines can bypass access control in Django versions affected by CVE-2021-44420 by exploiting a vulnerability in how URLs with trailing newlines are handled.

  • Which versions of Django are affected by CVE-2021-44420?

    Django versions 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10 are affected by CVE-2021-44420.

  • How do I fix CVE-2021-44420 in Django?

    To fix CVE-2021-44420 in Django, you should update to version 2.2.25, 3.1.14, or 3.2.10, depending on the version you are currently using.

  • Where can I find more information about CVE-2021-44420?

    You can find more information about CVE-2021-44420 on the CVE website, the NIST NVD website, the Django security releases blog post, the Red Hat Bugzilla page, and the Red Hat access portal.

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