Vulnerability Details CVE-2021-33571
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+..) .
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 2.4%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://docs.djangoproject.com/en/3.2/releases/security/
- https://github.com/django/django/commit/203d4ab9ebcd72fc4d6eb7398e66ed9e474e118e
- https://github.com/django/django/commit/9f75e2e562fa0c0482f3dde6fc7399a9070b4a3d
- https://github.com/django/django/commit/f27c38ab5d90f68c9dd60cabef248a570c0be8fc
- https://groups.google.com/g/django-announce/c/sPyjSKMi8Eo
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
- https://security.netapp.com/advisory/ntap-20210727-0004/
- https://www.djangoproject.com/weblog/2021/jun/02/security-releases/
- https://docs.djangoproject.com/en/3.2/releases/security/
- https://github.com/django/django/commit/203d4ab9ebcd72fc4d6eb7398e66ed9e474e118e
- https://github.com/django/django/commit/9f75e2e562fa0c0482f3dde6fc7399a9070b4a3d
- https://github.com/django/django/commit/f27c38ab5d90f68c9dd60cabef248a570c0be8fc
- https://groups.google.com/g/django-announce/c/sPyjSKMi8Eo
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
- https://security.netapp.com/advisory/ntap-20210727-0004/
- https://www.djangoproject.com/weblog/2021/jun/02/security-releases/
Products affected by CVE-2021-33571
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cpe:2.3:a:djangoproject:django:2.2
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cpe:2.3:a:djangoproject:django:2.2.1
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cpe:2.3:a:djangoproject:django:2.2.10
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cpe:2.3:a:djangoproject:django:2.2.11
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cpe:2.3:a:djangoproject:django:2.2.13
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cpe:2.3:a:djangoproject:django:2.2.14
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cpe:2.3:a:djangoproject:django:2.2.15
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cpe:2.3:a:djangoproject:django:2.2.16
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cpe:2.3:a:djangoproject:django:2.2.17
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cpe:2.3:a:djangoproject:django:2.2.18
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cpe:2.3:a:djangoproject:django:2.2.19
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cpe:2.3:a:djangoproject:django:2.2.2
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cpe:2.3:a:djangoproject:django:2.2.20
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cpe:2.3:a:djangoproject:django:2.2.21
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cpe:2.3:a:djangoproject:django:2.2.22
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cpe:2.3:a:djangoproject:django:2.2.23
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cpe:2.3:a:djangoproject:django:2.2.3
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cpe:2.3:a:djangoproject:django:2.2.4
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cpe:2.3:a:djangoproject:django:2.2.5
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cpe:2.3:a:djangoproject:django:2.2.6
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cpe:2.3:a:djangoproject:django:2.2.7
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cpe:2.3:a:djangoproject:django:2.2.8
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cpe:2.3:a:djangoproject:django:2.2.9
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cpe:2.3:a:djangoproject:django:3.0
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cpe:2.3:a:djangoproject:django:3.0.1
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cpe:2.3:a:djangoproject:django:3.0.10
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cpe:2.3:a:djangoproject:django:3.0.11
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cpe:2.3:a:djangoproject:django:3.0.12
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cpe:2.3:a:djangoproject:django:3.0.13
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cpe:2.3:a:djangoproject:django:3.0.14
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cpe:2.3:a:djangoproject:django:3.0.2
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cpe:2.3:a:djangoproject:django:3.0.3
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cpe:2.3:a:djangoproject:django:3.0.4
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cpe:2.3:a:djangoproject:django:3.0.5
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cpe:2.3:a:djangoproject:django:3.0.6
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cpe:2.3:a:djangoproject:django:3.0.7
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cpe:2.3:a:djangoproject:django:3.0.8
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cpe:2.3:a:djangoproject:django:3.0.9
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cpe:2.3:a:djangoproject:django:3.1
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cpe:2.3:a:djangoproject:django:3.1.1
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cpe:2.3:a:djangoproject:django:3.1.10
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cpe:2.3:a:djangoproject:django:3.1.11
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cpe:2.3:a:djangoproject:django:3.1.2
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cpe:2.3:a:djangoproject:django:3.1.3
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cpe:2.3:a:djangoproject:django:3.1.4
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cpe:2.3:a:djangoproject:django:3.1.5
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cpe:2.3:a:djangoproject:django:3.1.6
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cpe:2.3:a:djangoproject:django:3.1.7
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cpe:2.3:a:djangoproject:django:3.1.8
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cpe:2.3:a:djangoproject:django:3.1.9
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cpe:2.3:a:djangoproject:django:3.2
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cpe:2.3:a:djangoproject:django:3.2.1
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cpe:2.3:a:djangoproject:django:3.2.2
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cpe:2.3:a:djangoproject:django:3.2.3
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cpe:2.3:o:fedoraproject:fedora:35