CVE-2025-13473
published 2026-02-03CVE-2025-13473: An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. The `django.contrib.auth.handlers.modwsgi.check_password()` function for…
PriorityP336medium5.3CVSS 3.1
AVNACHPRLUINSUCHINAN
EPSS
0.74%
52.3th percentile
An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28.
The `django.contrib.auth.handlers.modwsgi.check_password()` function for authentication via `mod_wsgi` allows remote attackers to enumerate users via a timing attack.
Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.
Django would like to thank Stackered for reporting this issue.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | python-django | < python-django 3:3.2.25-0+deb12u2 (bookworm) | python-django 3:3.2.25-0+deb12u2 (bookworm) |
| djangoproject | django | >= 4.2 < 4.2.28 | 4.2.28 |
| djangoproject | django | >= 4.2a1 < 4.2.28 | 4.2.28 |
| djangoproject | django | >= 5.2 < 5.2.11 | 5.2.11 |
| djangoproject | django | >= 5.2a1 < 5.2.11 | 5.2.11 |
| djangoproject | django | >= 6.0 < 6.0.2 | 6.0.2 |
| djangoproject | django | >= 6.0a1 < 6.0.2 | 6.0.2 |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
osv5.3MEDIUM
vendor_debian5.3MEDIUM
vendor_redhat5.3MEDIUM
vendor_ubuntu5.3MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
Django has Observable Timing Discrepancy
ghsa·2026-02-03
CVE-2025-13473 [LOW] CWE-208 Django has Observable Timing Discrepancy
Django has Observable Timing Discrepancy
An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28.
The `django.contrib.auth.handlers.modwsgi.check_password()` function for authentication via `mod_wsgi` allows remote attackers to enumerate users via a timing attack. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.
Django would like to thank Stackered for reporting this issue.
OSV
python-django vulnerabilities
osv·2026-02-03·CVSS 5.3
CVE-2025-13473 [MEDIUM] python-django vulnerabilities
python-django vulnerabilities
It was discovered that Django exposed timing information when checking
passwords. An attacker could possibly use this issue to obtain sensitive
information. (CVE-2025-13473)
Jiyong Yang discovered that Django incorrectly handled malformed requests
with duplicate headers. An attacker could possibly use this issue to cause
a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu
24.04 LTS, and Ubuntu 25.10. (CVE-2025-14550)
Tarek Nakkouch discovered that Django incorrectly parsed raster lookups. An
attacker could possibly use this issue to perform SQL injection attacks.
This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04
LTS, Ubuntu 24.04 LTS, and Ubuntu 25.10. (CVE-2026-1207)
Seokchan Yoon discovered that Django incorrect
OSV
Django has Observable Timing Discrepancy
osv·2026-02-03
CVE-2025-13473 [LOW] Django has Observable Timing Discrepancy
Django has Observable Timing Discrepancy
An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28.
The `django.contrib.auth.handlers.modwsgi.check_password()` function for authentication via `mod_wsgi` allows remote attackers to enumerate users via a timing attack. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.
Django would like to thank Stackered for reporting this issue.
OSV
CVE-2025-13473: An issue was discovered in 6
osv·2026-02-03·CVSS 5.3
CVE-2025-13473 [MEDIUM] CVE-2025-13473: An issue was discovered in 6
An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. The `django.contrib.auth.handlers.modwsgi.check_password()` function for authentication via `mod_wsgi` allows remote attackers to enumerate users via a timing attack. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Stackered for reporting this issue.
Red Hat
Django: Django: User enumeration via timing attack in mod_wsgi authentication
vendor_redhat·2026-02-03·CVSS 5.3
CVE-2025-13473 [MEDIUM] CWE-208 Django: Django: User enumeration via timing attack in mod_wsgi authentication
Django: Django: User enumeration via timing attack in mod_wsgi authentication
An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28.
The `django.contrib.auth.handlers.modwsgi.check_password()` function for authentication via `mod_wsgi` allows remote attackers to enumerate users via a timing attack.
Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.
Django would like to thank Stackered for reporting this issue.
A flaw was found in Django. A remote attacker can exploit a timing attack vulnerability in the `django.contrib.auth.handlers.modwsgi.check_password()` function, which is used for authentication via the Apache `mod_wsgi` module. This allows the attacker to determine valid usernames on the
Ubuntu
Django vulnerabilities
vendor_ubuntu·2026-02-03·CVSS 5.3
CVE-2026-1312 [MEDIUM] Django vulnerabilities
Title: Django vulnerabilities
Summary: Several security issues were fixed in Django.
It was discovered that Django exposed timing information when checking
passwords. An attacker could possibly use this issue to obtain sensitive
information. (CVE-2025-13473)
Jiyong Yang discovered that Django incorrectly handled malformed requests
with duplicate headers. An attacker could possibly use this issue to cause
a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu
24.04 LTS, and Ubuntu 25.10. (CVE-2025-14550)
Tarek Nakkouch discovered that Django incorrectly parsed raster lookups. An
attacker could possibly use this issue to perform SQL injection attacks.
This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04
LTS, Ubuntu 24.04 LTS, and Ubuntu 25.10. (CVE-20
Debian
CVE-2025-13473: python-django - An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4...
vendor_debian·2025·CVSS 5.3
CVE-2025-13473 [MEDIUM] CVE-2025-13473: python-django - An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4...
An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. The `django.contrib.auth.handlers.modwsgi.check_password()` function for authentication via `mod_wsgi` allows remote attackers to enumerate users via a timing attack. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Stackered for reporting this issue.
Scope: local
bookworm: resolved (fixed in 3:3.2.25-0+deb12u2)
bullseye: resolved (fixed in 2:2.2.28-1~deb11u12)
forky: resolved (fixed in 3:4.2.28-1)
sid: resolved (fixed in 3:4.2.28-1)
trixie: resolved (fixed in 3:4.2.28-0+deb13u1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2025-13473 Django: Django: User enumeration via timing attack in mod_wsgi authentication
bugzilla·2026-02-03·CVSS 5.3
CVE-2025-13473 [MEDIUM] CVE-2025-13473 Django: Django: User enumeration via timing attack in mod_wsgi authentication
CVE-2025-13473 Django: Django: User enumeration via timing attack in mod_wsgi authentication
An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28.
The `django.contrib.auth.handlers.modwsgi.check_password()` function for authentication via `mod_wsgi` allows remote attackers to enumerate users via a timing attack.
Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.
Django would like to thank Stackered for reporting this issue.
Wiz
CVE-2025-13473 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.3
CVE-2025-13473 [MEDIUM] CVE-2025-13473 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-13473 :
Django vulnerability analysis and mitigation
django.contrib.auth.handlers.modwsgi.check_password()
mod_wsgi
Source : NVD
## 5.3
Score
Published February 3, 2026
Severity MEDIUM
CNA Score 5.3
Affected Technologies
Django
Chainguard
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 8.7
Exploitation Probability (EPSS) N/A
Affected packages and libraries
authentik
authentik-fips
Sources
NVD
Alpine 3.23 Severity MEDIUM Has Fix Added at: Feb 10, 2026
Alpine edge Severity MEDIUM Has Fix Added at: Feb 08, 2026
Chainguard Has Fix Added at: Feb 08, 2026
Debian 11, 12, 13, 14 Severity MEDIUM Has Fix Added at: Feb 04, 2026
Echo Severity MEDIUM Has Fix Added at: Feb 0
2026-02-03
Published