CVE-2011-4136
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…
Does this matter?
Lower severity and a low EPSS score (2.28%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.8 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:P
- EPSS
- 2.28% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- djangoproject/django
- Source
- cve@mitre.org
EPSS 2.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://openwall.com/lists/oss-security/2011/09/11/1Patch
- http://openwall.com/lists/oss-security/2011/09/13/2Patch
- http://secunia.com/advisories/46614
- http://www.debian.org/security/2011/dsa-2332
- https://bugzilla.redhat.com/show_bug.cgi?id=737366Patch
- https://hermes.opensuse.org/messages/14700881
- https://www.djangoproject.com/weblog/2011/sep/09/Patch, Vendor Advisory
- https://www.djangoproject.com/weblog/2011/sep/10/127/Patch
- http://openwall.com/lists/oss-security/2011/09/11/1Patch
- http://openwall.com/lists/oss-security/2011/09/13/2Patch
- http://secunia.com/advisories/46614
- http://www.debian.org/security/2011/dsa-2332
- https://bugzilla.redhat.com/show_bug.cgi?id=737366Patch
- https://hermes.opensuse.org/messages/14700881
- https://www.djangoproject.com/weblog/2011/sep/09/Patch, Vendor Advisory
- https://www.djangoproject.com/weblog/2011/sep/10/127/Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.