CVE-2011-4136 Session manipulation in Django

What is CVE-2011-4136?

CVE-2011-4136 is a medium-severity vulnerability in Djangoproject Django, published on 19 Oct 2011. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

django.contrib.sessions in Django before 1.2.7 and 1.3.x before 1.3.1, when session data is stored in the cache, uses the root namespace for both session identifiers and application-data keys, which allows remote attackers to modify a session by triggering use of a key that is equal to that session's identifier.

Weakness: CWE-20

Which versions are affected by CVE-2011-4136?

5 open source packages ship an affected version, including django and Django. It affects 1 product.

Products include Djangoproject Django.

How do I fix CVE-2011-4136?

Upgrade django to a fixed version for your release line: 1.2.7 or 1.3.1.

Is CVE-2011-4136 being exploited?

There is no known exploitation of CVE-2011-4136 in the wild and no public exploit code.

Other vulnerabilities in Djangoproject Django

• CVE-2026-4277 Privilege abuse in GenericInlineModelAdmin Critical 9.8
• CVE-2024-53908 Django SQL injection in HasKey(lhs, rhs) on Oracle Critical 9.8
• CVE-2024-42005 Django SQL injection vulnerability Critical 9.8
• CVE-2023-31047 Django bypasses validation when using one form field to upload multiple files Critical 9.8
• CVE-2022-34265 Django `Trunc()` and `Extract()` database functions vulnerable to SQL Injection Critical 9.8

All Djangoproject Django vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2011-4136, GHSA-x88j-93vc-wpmp, PYSEC-2011-1.