CVE-2021-44420
highpriority · track · 30EPSS 0.024 · 84 %ileDEEUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedpython-django-0:3.2.16-1.0.1.el8ui.src as a component of RHUI 4 for RHEL 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For detailed instructions on how to apply this update, see: https://access.redhat.com/documentation/en-us/red_hat_update_infrastructure/4/html/migrating_red_hat_update_infrastructure/assembly_upgrading-red-hat-update-infrastructure_migrating-red-hat-update-infrastructure For other information, see the product documentation: https://access.redhat.com/documentation/en-us/red_hat_update_infrastructure/4
https://access.redhat.com/errata/RHSA-2023:0742 - Fixedpython39-django-0:3.2.16-1.0.1.el8ui.noarch as a component of RHUI 4 for RHEL 8redhat_csaf
Before applying this update, make sure all previously released errata relevant to your system have been applied. For detailed instructions on how to apply this update, see: https://access.redhat.com/documentation/en-us/red_hat_update_infrastructure/4/html/migrating_red_hat_update_infrastructure/assembly_upgrading-red-hat-update-infrastructure_migrating-red-hat-update-infrastructure For other information, see the product documentation: https://access.redhat.com/documentation/en-us/red_hat_update_infrastructure/4
https://access.redhat.com/errata/RHSA-2023:0742
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.3–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (249)
Products and version ranges known to be affected.
advisories (7)
Vendor and ecosystem advisories describing this.
- RHSA-2023:0742Red Hat Security Advisory: RHUI 4.3.0 release - Security Fixes, Bug Fixes, and Enhancements Update2023-02-13csaf · redhat_csafUS
An updated version of Red Hat Update Infrastructure (RHUI) is now available. RHUI 4.3 fixes a security bug, introduces multiple new features, and upgrades underlying Pulp to a Long Term Support (LTS) version.
- WID-SEC-W-2022-0302Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit AdministratorrechtenDeutsch2022-06-14csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um beliebigen Programmcode auszuführen, einen Cross-Site-Scripting-Angriff durchzuführen, Informationen offenzulegen, einen Denial-of-Service-Zustand zu verursachen oder Dateien zu manipulieren.
- WID-SEC-W-2022-0432Xerox FreeFlow Print Server: Mehrere SchwachstellenDeutsch2022-06-21csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um die Vertraulichkeit, Verfügbarkeit und Integrität zu gefährden.
- WID-SEC-W-2023-0345Red Hat Update Infrastructure (RHUI): Mehrere SchwachstellenDeutsch2023-02-13csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Update Infrastructure (RHUI) ausnutzen, um Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service zu verursachen.
- GHSA-v6rh-hp5x-86rvPotential bypass of an upstream access control based on URL paths in Django2021-12-09ghsa · osvUS
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. This issue has low severity, according to the Django security policy.
- BIT-django-2021-444202024-03-06vendor · osvUS
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.
- PYSEC-2021-4392021-12-08vendor · osvUS
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.
also known as (7)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (27)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2021-44420cnnvd
- https://docs.djangoproject.com/en/3.2/releases/security/cnnvd
- https://docs.djangoproject.com/en/3.2/releases/security/。Patchcnnvd
- https://groups.google.com/forum/#!forum/django-announcecnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-44420cnnvd
- https://packetstormsecurity.com/files/165178/Ubuntu-Security-Notice-USN-5178-1.htmlcnnvd
- https://security.netapp.com/advisory/ntap-20211229-0006/cnnvd
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