{"id":"UBUNTU-CVE-2017-1000433","details":"pysaml2 version 4.4.0 and older accept any password when run with python optimizations enabled. This allows attackers to log in as any user without knowing their password.","modified":"2026-01-30T01:47:02.696096Z","published":"2018-01-02T00:00:00Z","related":["USN-3520-1"],"upstream":["CVE-2017-1000433"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-1000433"},{"type":"REPORT","url":"https://github.com/rohe/pysaml2/issues/451"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3520-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-1000433"}],"affected":[{"package":{"name":"python-pysaml2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/python-pysaml2@3.0.0-3ubuntu1.16.04.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.0-3ubuntu1.16.04.3"}]}],"versions":["2.4.0-0ubuntu2","3.0.0-3ubuntu1","3.0.0-3ubuntu1.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"python-pysaml2","binary_version":"3.0.0-3ubuntu1.16.04.3"},{"binary_name":"python3-pysaml2","binary_version":"3.0.0-3ubuntu1.16.04.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-1000433.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}