Information Exposure Through Timing Discrepancy in Django - CVE-2025-13473

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Main Vulnerability Database Vulnerabilities #VU122256

Information Exposure Through Timing Discrepancy in Django - CVE-2025-13473

Published: February 3, 2026


Vulnerability identifier: #VU122256
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-13473
CWE-ID: CWE-208
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to timing difference in the mod_wsgi authentication handler within the django.contrib.auth.handlers.modwsgi.check_password() function for authentication via mod_wsgi. A remote attacker can enumerate existing usernames.


Affected software

Django
Debian Linux
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
Fedora
Ubuntu
SUSE Package Hub 15
openSUSE Leap
openEuler
Anolis OS
Maximo Application Suite - Edge Data Collector
python-django (Ubuntu package)
python3-Django
python-django-help
python-django
python-django (Debian package)
python311-Django
python3-django
python3-django-bash-completion
python3-django-doc
python-django4.2
python-django5

How to mitigate CVE-2025-13473

Install updates from vendor's website.

Django - addressed in versions 4.2.28, 5.2.11, 6.0.2
Maximo Application Suite - Edge Data Collector - addressed in versions 8.11.27, 9.0.19, 9.1.9
python-django (Ubuntu package) - addressed in versions 1.6.11-0ubuntu1.3+esm10, 1.8.7-1ubuntu5.15+esm11, 1:1.11.11-1ubuntu1.21+esm14, 2:2.2.12-1ubuntu0.29+esm7, 2:3.2.12-2ubuntu1.25, 3:4.2.11-1ubuntu1.14, 3:5.2.4-1ubuntu2.3
python3-Django - addressed in versions 2.2.27-21, 4.2.15-12
python-django-help - addressed in versions 2.2.27-21, 4.2.15-12
python-django - addressed in versions 2.2.27-21, 4.2.15-12
python-django (Debian package) - addressed in versions 3:3.2.25-0+deb12u2, 3:4.2.28-0+deb13u1
python311-Django - update to 4.2.11-150600.3.47.1
python3-django - update to 4.2.16-6
python3-django-bash-completion - update to 4.2.16-6
python3-django-doc - update to 4.2.16-6
python-django4.2 - addressed in versions 4.2.28-1.el9, 4.2.28-1.fc42
python-django5 - addressed in versions 5.2.11-1.fc42, 5.2.11-1.fc43

External References

Related Security Bulletins