CVE-2011-4138
Django Might Allow CSRF Requests via URL Verification
7.5
HIGH
CVSS 3.1
EPSS 0.64%
Description
The verify_exists functionality in the URLField implementation in Django before 1.2.7 and 1.3.x before 1.3.1 originally tests a URL's validity through a HEAD request, but then uses a GET request for the new target URL in the case of a redirect, which might allow remote attackers to trigger arbitrary GET requests with an unintended source IP address via a crafted Location header.
How to fix CVE-2011-4138
To remediate CVE-2011-4138, upgrade the affected package to a fixed version below.
- —upgrade to 1.3.1-1 or later
- —upgrade to 1.2.7 or later
- —upgrade to 1.2.7 or later
Is CVE-2011-4138 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.3.1-1
- from 0, < 1.2.7
- from 0, < 1.2.7, >= 1.3, < 1.3.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |