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CVE-2011-4140

Django Cross-Site Request Forgery vulnerability

6.8 MediumFix available

CVE-2011-4140 is a medium vulnerability (CVSS 6.8) in Djangoproject Django, published October 19, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.09%, the 65th percentile. Fixed in python-django 1.3.1-1.

What does this mean?
Severity
6.8 MediumCVSS 2.0, NVD
Exploit chance
1.09%EPSS, 65th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
1.3.1-1python-django +8 more

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.

Exploit likelihood

1.09%Down 0.3 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
django
PyPI
through 1.2.7None known
django
PyPI
1.3 to 1.3.1None known
python-django
Debian:12
before 1.3.1-1
1.3.1-1
python-django
Debian:13
before 1.3.1-1
1.3.1-1
python-django
Debian:14
before 1.3.1-1
1.3.1-1
python-django
Debian:6.0
From an advisory covering 5 CVEs
before 1.2.3-3+squeeze2, plus listed versions
1.2.3-31.2.3-3+squeeze1
1.2.3-3+squeeze2
python-django
Debian:5.0
From an advisory covering 5 CVEs
before 1.0.2-1+lenny3, plus listed versions
1.0.2-11.0.2-1+lenny11.0.2-1+lenny2
1.0.2-1+lenny3
django
PyPI
through 1.2.7, plus listed versions
1.0.11.0.21.0.31.0.41.1
Show 11 moreShow less
1.1.11.1.21.1.31.1.41.21.2.11.2.21.2.31.2.41.2.51.2.6
None known
django
PyPI
before 1.2.7, 1.3 up to 1.3.1, plus listed versions
1.0.11.0.21.0.31.0.41.1
Show 11 moreShow less
1.1.11.1.21.1.31.1.41.21.2.11.2.21.2.31.2.41.2.51.2.6
1.2.71.3.1

What each source reports

NVD Score used6.8

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.

Record
CVE-2011-4140
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-352
Updated
2026-11-02
CVE ListNo score

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.

Record
CVE-2011-4140
Updated
2026-11-02
EUVDEUVD-2011-0010No score

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.

Record
EUVD-2011-0010
Updated
2026-11-03
GitHub AdvisoriesGHSA-h95j-h2rv-qrg48.7

Django Cross-Site Request Forgery vulnerability

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.

Record
GHSA-h95j-h2rv-qrg4
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-352
Updated
2026-11-02
OSVGHSA-h95j-h2rv-qrg48.7

Django Cross-Site Request Forgery vulnerability

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.

Record
GHSA-h95j-h2rv-qrg4
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-352
Updated
2026-11-02
OSVNo score

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.

Record
CVE-2011-4140
Updated
2026-11-02
OSVDEBIAN-CVE-2011-4140No score

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.

Record
DEBIAN-CVE-2011-4140
Updated
2026-11-02
OSVPYSEC-2011-5No score

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.

Record
PYSEC-2011-5
Updated
2026-11-02

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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