CVE-2011-4140

Description

The CSRF protection mechanism in Django through 1.2.7 and 1.3.x through 1.3.1 does not properly handle web-server configurations supporting arbitrary HTTP Host headers, which allows remote attackers to trigger unauthenticated forged requests via vectors involving a DNS CNAME record and a web page containing JavaScript code.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.40%
Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory djangoproject.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://hermes.opensuse.org/messages/14700881 vendor advisory
http://www.debian.org/security/2011/dsa-2332 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=737366 patch
http://secunia.com/advisories/46614 third party advisory
http://openwall.com/lists/oss-security/2011/09/11/1 mailing list patch
https://www.djangoproject.com/weblog/2011/sep/10/127/ patch
http://openwall.com/lists/oss-security/2011/09/13/2 mailing list patch
https://www.djangoproject.com/weblog/2011/sep/09/ patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-4140?
CVE-2011-4140 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4140?
To fix CVE-2011-4140, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4140 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-4140 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.