High severity · published Nov 2, 2023
CVE-2023-46695
An issue was discovered in Django 3.2 before 3.2.23, 4.1 before 4.1.13, and 4.2 before 4.2.7
7.5
CVSS
49.8%
EPSS
No
On KEV
Description
An issue was discovered in Django 3.2 before 3.2.23, 4.1 before 4.1.13, and 4.2 before 4.2.7. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.forms.UsernameField is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)49.8% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DJ
Django · Djangoproject
3.2 before 3.2.23; 4.1 before 4.1.13; 4.2. before 4.2.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-46695
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-46695
Patch
https://docs.djangoproject.com/en/4.2/releases/security/
Permissions Required
https://groups.google.com/forum/#%21forum/django-announce
security.netapp.com
https://security.netapp.com/advisory/ntap-20231214-0001/
Patch
https://www.djangoproject.com/weblog/2023/nov/01/security-releases/
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