{"id":"CVE-2011-4136","aliases":["DEBIAN-CVE-2011-4136","DSA-2332-1","EUVD-2011-0003","GHSA-x88j-93vc-wpmp","PYSEC-2011-1"],"status":"published","title":"Session manipulation in Django","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.","severity":{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02284,"percentile":0.83275,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2011-10-19T10:00:00Z","modified":"2026-10-23T17:47:41Z","fixes":[{"ecosystem":"PyPI","package":"django","fixed_in":["1.2.7","1.3.1"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"python-django","fixed_in":["1.3.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"python-django","fixed_in":["1.3.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"python-django","fixed_in":["1.3.1-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.7"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.3"},{"fixed":"1.3.1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.3-3+squeeze2"}]}],"versions":["1.2.3-3","1.2.3-3+squeeze1"],"bundled":5},{"source":"osv","ecosystem":"Debian:5.0","package":"python-django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2-1+lenny3"}]}],"versions":["1.0.2-1","1.0.2-1+lenny1","1.0.2-1+lenny2"],"bundled":5},{"source":"osv","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.7"}]}],"versions":["1.0.1","1.0.2","1.0.3","1.0.4","1.1","1.1.1","1.1.2","1.1.3","1.1.4","1.2","1.2.1","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6"]},{"source":"osv","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.3"},{"fixed":"1.3.1"}]}],"versions":["1.3"]},{"source":"osv","ecosystem":"PyPI","package":"django","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.7"},{"introduced":"1.3"},{"fixed":"1.3.1"}]}],"versions":["1.0.1","1.0.2","1.0.3","1.0.4","1.1","1.1.1","1.1.2","1.1.3","1.1.4","1.2","1.2.1","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.3"]}],"products":[{"vendor":"djangoproject","product":"django"}],"references":[{"url":"https://hermes.opensuse.org/messages/14700881","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.debian.org/security/2011/dsa-2332","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=737366","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix","web","report"]},{"url":"http://secunia.com/advisories/46614","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://openwall.com/lists/oss-security/2011/09/11/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix","web"]},{"url":"https://www.djangoproject.com/weblog/2011/sep/10/127/","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix","article"]},{"url":"http://openwall.com/lists/oss-security/2011/09/13/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix","web"]},{"url":"https://www.djangoproject.com/weblog/2011/sep/09/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor 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identifier.","status":"published","published":"2018-07-23T19:52:39Z","modified":"2024-09-16T23:21:50.280076Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:59.835583Z"},{"id":"CVE-2011-4136","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.","status":"published","published":"2011-10-19T10:55:03Z","modified":"2026-04-10T03:42:03.532056Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-4136","description":"django.contrib.sessions in Django before 1.2.7 and 1.3.x 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identifier.","status":"published","published":"2011-10-19T10:55:00Z","modified":"2023-11-08T03:57:01.198036Z","updated_at":"2026-11-02T15:52:51.254177Z"}]}}