{"id":"UBUNTU-CVE-2016-3954","details":"web2py before 2.14.2 allows remote attackers to obtain the session_cookie_key value via a direct request to examples/simple_examples/status.  NOTE: this issue can be leveraged by remote attackers to execute arbitrary code using CVE-2016-3957.","modified":"2026-02-04T03:10:21.403456Z","published":"2018-02-06T00:00:00Z","related":["USN-4030-1"],"upstream":["CVE-2016-3954"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-3954"},{"type":"REPORT","url":"https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4030-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-3954"}],"affected":[{"package":{"name":"web2py","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/web2py@2.12.3-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.3-1ubuntu0.1"}]}],"versions":["1.99.7-1","2.12.3-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python-gluon","binary_version":"2.12.3-1ubuntu0.1"},{"binary_name":"python-web2py","binary_version":"2.12.3-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-3954.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"low"}]}