Resource exhaustion in Djangoproject Django
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. 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.498 (98.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.498 · newest: 0.498 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- groups.google.com/forum/ (Permissions Required)
- docs.djangoproject.com/en/4.2/releases/security/ (Patch)
- www.djangoproject.com/weblog/2023/nov/01/security-releases/ (Patch, Vendor Advisory)
- security.netapp.com/advisory/ntap-20231214-0001/
Frequently asked questions
- What is CVE-2023-46695?
- CVE-2023-46695 is a high-severity vulnerability in Djangoproject Django, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-11-02.
- How severe is CVE-2023-46695?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-46695 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.