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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 5.26% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-06-08 00:00Z5 YR AGO
- Last updated
- 2024-08-03 23:50Z2 YR AGO
- Reserved
- 2021-05-25
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-918Server-Side Request Forgery (SSRF)Base
- Data version
- 5.1
- Document digest
- 0b0d4d8525e6def00d37fdf4de8ec326f7d192e5c14ffd066eb8a4c5a7015abb
05 Affected products
06 References
- docs.djangoproject.comhttps://docs.djangoproject.com/en/3.2/releases/security/
- groups.google.comhttps://groups.google.com/g/django-announce/c/sPyjSKMi8Eo
- www.djangoproject.comhttps://www.djangoproject.com/weblog/2021/jun/02/security-releases/
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20210727-0004/
- lists.fedoraproject.orgFEDORA-2022-e7fd530688https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/
- github.comhttps://github.com/django/django/commit/f27c38ab5d90f68c9dd60cabef248a570c0be8fc
- github.comhttps://github.com/django/django/commit/203d4ab9ebcd72fc4d6eb7398e66ed9e474e118e
- github.comhttps://github.com/django/django/commit/9f75e2e562fa0c0482f3dde6fc7399a9070b4a3d
07 Fixed in
Arch Linux
- python-django Fixed in 3.2.4-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- python-django Fixed in 2:2.2.24-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- python-django Fixed in 2:2.2.24-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- python-django Fixed in 2:2.2.24-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- python-django Fixed in 2:2.2.12-1ubuntu0.7
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.