CVE-2021-33571
mediumPriorität · verfolgen · 32EPSS 0.053 · 93. PerzentilDEEURUUSEPSS · bewertet 2026-10-23
In Django 2.2 before 2.2.24, 3.x before 3.1.12, and 3.2 before 3.2.4, URLValidator, validate_ipv4_address, and validate_ipv46_address do not prohibit leading zero characters in octal literals. This may allow a bypass of access control that is based on IP addresses. (validate_ipv4_address and validate_ipv46_address are unaffected with Python 3.9.5+..) .
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- Behobenpython-django20-0:2.0.13-16.el8ost.1.src as a component of Red Hat OpenStack Platform 16.2redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:3490 - Behobenpython3-django20-0:2.0.13-16.el8ost.1.noarch as a component of Red Hat OpenStack Platform 16.2redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:3490 - Behobenpython-django20-0:2.0.13-16.el8ost.1.src as a component of Red Hat OpenStack Platform 16.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:5070 - Behobenpython-django20-bash-completion-0:2.0.13-16.el8ost.1.noarch as a component of Red Hat OpenStack Platform 16.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:5070 - Behobenpython3-django20-0:2.0.13-16.el8ost.1.noarch as a component of Red Hat OpenStack Platform 16.1redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:5070 - Behobenpython312-Django6-0:6.0-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenpython312-Django6-0:6.0-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenpython312-Django6-0:6.0-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenpython312-Django6-0:6.0-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenpython313-Django6-0:6.0-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenpython313-Django6-0:6.0-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenpython313-Django6-0:6.0-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Behobenpython313-Django6-0:6.0-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Workaroundpython-django20-0:2.0.13-16.el8ost.1.src as a component of Red Hat OpenStack Platform 16.2redhat_csaf
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundpython3-django20-0:2.0.13-16.el8ost.1.noarch as a component of Red Hat OpenStack Platform 16.2redhat_csaf
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundpython-django20-0:2.0.13-16.el8ost.1.src as a component of Red Hat OpenStack Platform 16.1redhat_csaf
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundpython-django20-bash-completion-0:2.0.13-16.el8ost.1.noarch as a component of Red Hat OpenStack Platform 16.1redhat_csaf
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
- Workaroundpython3-django20-0:2.0.13-16.el8ost.1.noarch as a component of Red Hat OpenStack Platform 16.1redhat_csaf
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.5
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (30)
Betroffene Produkte und Versionsbereiche.
Advisories (6)
Hersteller- und Ökosystem-Meldungen dazu.
- RHSA-2021:3490Red Hat Security Advisory: Red Hat OpenStack Platform 16.2 (python-django20) security update2021-09-15csaf · redhat_csafUS
An update for python-django20 is now available for Red Hat OpenStack Platform 16.2 (Train). Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- RHSA-2021:5070Red Hat Security Advisory: Red Hat OpenStack Platform 16.1 (python-django20) security update2021-12-09csaf · redhat_csafUS
An update for python-django20 is now available for Red Hat OpenStack Platform 16.1 (Train). Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
- openSUSE-SU-2026:10005-1python312-Django6-6.0-1.1 on GA media2026-01-03csaf · suse_csafDE
python312-Django6-6.0-1.1 on GA media
- GHSA-p99v-5w3c-jqq9Django Access Control Bypass possibly leading to SSRF, RFI, and LFI attacks 2021-06-10ghsa · osvUS
In Django 2.2 before 2.2.24, 3.x before 3.1.12, and 3.2 before 3.2.4, URLValidator, validate_ipv4_address, and validate_ipv46_address do not prohibit leading zero characters in octal literals. This may allow a bypass of access control that is based on IP addresses. (validate_ipv4_address and validate_ipv46_address are unaffected with Python 3.9.5+..) .
- BIT-django-2021-335712024-03-06vendor · osvUS
In Django 2.2 before 2.2.24, 3.x before 3.1.12, and 3.2 before 3.2.4, URLValidator, validate_ipv4_address, and validate_ipv46_address do not prohibit leading zero characters in octal literals. This may allow a bypass of access control that is based on IP addresses. (validate_ipv4_address and validate_ipv46_address are unaffected with Python 3.9.5+..) .
- PYSEC-2021-992021-06-08vendor · osvUS
In Django 2.2 before 2.2.24, 3.x before 3.1.12, and 3.2 before 3.2.4, URLValidator, validate_ipv4_address, and validate_ipv46_address do not prohibit leading zero characters in octal literals. This may allow a bypass of access control that is based on IP addresses. (validate_ipv4_address and validate_ipv46_address are unaffected with Python 3.9.5+..) .
auch bekannt als (8)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (34)
Externe Belege — Patches, Meldungen, Analysen.
- https://access.redhat.com/security/cve/cve-2021-33571cnnvd
- https://docs.djangoproject.com/en/3.2/releases/security/cnnvd
- https://groups.google.com/g/django-announce/c/sPyjSKMi8Eocnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/cnnvd
- https://packetstormsecurity.com/files/162924/Ubuntu-Security-Notice-USN-4975-1.htmlcnnvd
- https://packetstormsecurity.com/files/164162/Red-Hat-Security-Advisory-2021-3490-01.htmlcnnvd
- https://packetstormsecurity.com/files/164991/Red-Hat-Security-Advisory-2021-4702-01.htmlcnnvd
- https://packetstormsecurity.com/files/165235/Red-Hat-Security-Advisory-2021-5070-02.htmlcnnvd
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