The verify_exists functionality in the URLField implementation in Django before 1.2.7 and…
Priority LOW 28CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-399 and the CVSS impact.
Summary
The verify_exists functionality in the URLField implementation in Django before 1.2.7 and 1.3.x before 1.3.1 relies on Python libraries that attempt access to an arbitrary URL with no timeout, which allows remote attackers to cause a denial of service (resource consumption) via a URL associated with (1) a slow response, (2) a completed TCP connection with no application data sent, or (3) a large amount of application data, a related issue to CVE-2011-1521.
Why it matters now
EPSS 0.03024 87th percentileScored 2026-11-07
Fix Fixed Django (PyPI): 1.2.7, 1.3.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | Django (PyPI) | before 1.2.7 | 1.2.7 | Patch available | GHSA-3jqw-crqj-w8qw |
| — | Django (PyPI) | 1.3 to before 1.3.1 | 1.3.1 | Patch available | GHSA-3jqw-crqj-w8qw |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- Django (PyPI) Vendor— Affected before 1.2.7 Fixed in 1.2.7 Patch available GHSA-3jqw-crqj-w8qw
- Django (PyPI) Vendor— Affected 1.3 to before 1.3.1 Fixed in 1.3.1 Patch available GHSA-3jqw-crqj-w8qw
CPE configurations NVD · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:* | up to 1.2.6 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:0.91:*:*:*:*:*:*:* | 0.91 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:0.95:*:*:*:*:*:*:* | 0.95 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:0.95.1:*:*:*:*:*:*:* | 0.95.1 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:0.96:*:*:*:*:*:*:* | 0.96 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.0.1:*:*:*:*:*:*:* | 1.0.1 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.0.2:*:*:*:*:*:*:* | 1.0.2 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.1:*:*:*:*:*:*:* | 1.1 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.1.0:*:*:*:*:*:*:* | 1.1.0 | Vulnerable | djangoproject |
- cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:* Versions up to 1.2.6 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:0.91:*:*:*:*:*:*:* Versions 0.91 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:0.95:*:*:*:*:*:*:* Versions 0.95 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:0.95.1:*:*:*:*:*:*:* Versions 0.95.1 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:0.96:*:*:*:*:*:*:* Versions 0.96 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.1.0:*:*:*:*:*:*:* Versions 1.1.0 Vulnerable ·djangoproject
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:djangoproject:django:1.1.2:*:*:*:*:*:*:* | 1.1.2 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.1.3:*:*:*:*:*:*:* | 1.1.3 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.2:*:*:*:*:*:*:* | 1.2 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.2.1:*:*:*:*:*:*:* | 1.2.1 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.2.1:2:*:*:*:*:*:* | 1.2.1 2 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.2.2:*:*:*:*:*:*:* | 1.2.2 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.2.3:*:*:*:*:*:*:* | 1.2.3 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.2.4:*:*:*:*:*:*:* | 1.2.4 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.2.5:*:*:*:*:*:*:* | 1.2.5 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.3:*:*:*:*:*:*:* | 1.3 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.3:alpha1:*:*:*:*:*:* | 1.3 alpha1 | Vulnerable | djangoproject |
| cpe:2.3:a:djangoproject:django:1.3:alpha2:*:*:*:*:*:* | 1.3 alpha2 | Vulnerable | djangoproject |
- cpe:2.3:a:djangoproject:django:1.1.2:*:*:*:*:*:*:* Versions 1.1.2 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.1.3:*:*:*:*:*:*:* Versions 1.1.3 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.2.1:2:*:*:*:*:*:* Versions 1.2.1 2 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.2.3:*:*:*:*:*:*:* Versions 1.2.3 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.2.4:*:*:*:*:*:*:* Versions 1.2.4 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.2.5:*:*:*:*:*:*:* Versions 1.2.5 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.3:*:*:*:*:*:*:* Versions 1.3 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.3:alpha1:*:*:*:*:*:* Versions 1.3 alpha1 Vulnerable ·djangoproject
- cpe:2.3:a:djangoproject:django:1.3:alpha2:*:*:*:*:*:* Versions 1.3 alpha2 Vulnerable ·djangoproject
Remediation
- Fix · GHSA-3jqw-crqj-w8qw Django (PyPI) Fixed in 1.2.7 Advisory →
- Fix · GHSA-3jqw-crqj-w8qw Django (PyPI) Fixed in 1.3.1 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2011-4137
- 2026-10-03 Alias added: GHSA-3jqw-crqj-w8qw
References
Patch 5
- https://bugzilla.redhat.com/show_bug.cgi?id=737366
- [oss-security] 20110911 CVE Request -- Django: v1.3.1, v1.2.7 multiple security flaws
- https://www.djangoproject.com/weblog/2011/sep/10/127/
- [oss-security] 20110913 Re: CVE Request -- Django: v1.3.1, v1.2.7 multiple security flaws
- https://www.djangoproject.com/weblog/2011/sep/09/
Advisory 4
Other 7
- [oss-security] 20110916 Re: CVE Request -- Django: v1.3.1, v1.2.7 multiple security flaws
- https://github.com/django/django/commit/1a76dbefdfc60e2d5954c0ba614c3d054ba9c3f0
- https://github.com/django/django/commit/7268f8af86186518821d775c530d5558fd726930
- https://github.com/django/django
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2011-2.yaml
- https://www.djangoproject.com/weblog/2011/sep/09
- https://www.djangoproject.com/weblog/2011/sep/10/127
More djangoproject Django vulnerabilities
- TI-2022-15177 An issue was discovered in Django 3.2 before 3.2.14 and 4.0 before 4.0.6. CVSS 3.1CRITICAL 9.8
- TI-2020-05994 Django 1.11 before 1.11.28, 2.2 before 2.2.10, and 3.0 before 3.0.3 allows SQL Injection… CVSS 3.1CRITICAL 9.8
- TI-2023-10198 An issue was discovered in the Multipart Request Parser in Django 3.2 before 3.2.18, 4.0… CVSS 3.1HIGH 7.5
- TI-2019-14306 Django before 1.11.27, 2.x before 2.2.9, and 3.x before 3.0.1 allows account takeover. CVSS 3.1CRITICAL 9.8
- TI-2019-10595 An issue was discovered in Django 1.11.x before 1.11.23, 2.1.x before 2.1.11, and 2.2.x… CVSS 3.0CRITICAL 9.8
- TI-2021-14006 Django 3.1.x before 3.1.13 and 3.2.x before 3.2.5 allows QuerySet.order_by SQL injection… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2011-4137 · CVE Program
- CVE-2011-4137 · NVD
- FIRST EPSS
- GHSA-3jqw-crqj-w8qw · GitHub Advisory Database · CC BY 4.0
- CVE-2011-4137 · Red Hat security data · CC BY 4.0
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