CVE-2011-4136
MEDIUM · CVSS 5.8EPSS 2.3%EU EUVD
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.
Key facts
- CVSS score
- 5.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 2.3% (83th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-0003)
- Published
- October 19, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-0003 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
- djangoproject / django
References
- http://openwall.com/lists/oss-security/2011/09/11/1(Patch)
- http://openwall.com/lists/oss-security/2011/09/13/2(Patch)
- http://secunia.com/advisories/46614
- http://www.debian.org/security/2011/dsa-2332
- https://bugzilla.redhat.com/show_bug.cgi?id=737366(Patch)
- 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)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain