{"id":"UBUNTU-CVE-2020-1778","details":"When OTRS uses multiple backends for user authentication (with LDAP), agents are able to login even if the account is set to invalid. This issue affects OTRS; 8.0.9 and prior versions.","modified":"2025-10-24T04:48:15Z","published":"2020-11-23T16:15:00Z","upstream":["CVE-2020-1778"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-1778"},{"type":"REPORT","url":"https://otrs.com/release-notes/otrs-security-advisory-2020-16/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-1778"}],"affected":[{"package":{"name":"otrs2","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/otrs2@5.0.7-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.10-1","5.0.1-1","5.0.1-2","5.0.2-1","5.0.3-1","5.0.5-1","5.0.6-1","5.0.7-1"],"ecosystem_specific":{"binaries":[{"binary_name":"otrs","binary_version":"5.0.7-1"},{"binary_name":"otrs2","binary_version":"5.0.7-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-1778.json"}},{"package":{"name":"otrs2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/otrs2@6.0.5-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.23-1","5.0.24-1","6.0.1-1","6.0.2-1","6.0.3-1","6.0.4-1","6.0.5-1"],"ecosystem_specific":{"binaries":[{"binary_name":"otrs","binary_version":"6.0.5-1"},{"binary_name":"otrs2","binary_version":"6.0.5-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-1778.json"}},{"package":{"name":"otrs2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/otrs2@6.0.26-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.20-1","6.0.23-2","6.0.24-1","6.0.25-1","6.0.25-2","6.0.25-3","6.0.26-1"],"ecosystem_specific":{"binaries":[{"binary_name":"otrs","binary_version":"6.0.26-1"},{"binary_name":"otrs2","binary_version":"6.0.26-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-1778.json"}},{"package":{"name":"otrs2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/otrs2@6.2.2-2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.32-6","6.1.2-1","6.2.1-1","6.2.2-2"],"ecosystem_specific":{"binaries":[{"binary_name":"otrs2","binary_version":"6.2.2-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-1778.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}