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CVE-2023-46695

HIGHCVSS 7.5/10EPSS 49.77%

Last modified

CVE-2023-46695 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 49.77% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
49.77%

98.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DjangoprojectDjango>= 3.2, < 3.2.23
DjangoprojectDjango>= 4.1, < 4.1.13
DjangoprojectDjango>= 4.2., < 4.2.7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2023-46695?
CVE-2023-46695 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 49.77% probability of exploitation in the next 30 days.
How do I fix CVE-2023-46695?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-46695?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST