{"id":"UBUNTU-CVE-2021-33054","details":"SOGo 2.x before 2.4.1 and 3.x through 5.x before 5.1.1 does not validate the signatures of any SAML assertions it receives. Any actor with network access to the deployment could impersonate users when SAML is the authentication method. (Only versions after 2.0.5a are affected.)","modified":"2026-07-06T20:30:11.817260913Z","published":"2021-06-04T15:15:00Z","related":["USN-8504-1"],"upstream":["CVE-2021-33054"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33054"},{"type":"REPORT","url":"https://www.sogo.nu/news/2021/saml-vulnerability.html"},{"type":"REPORT","url":"https://blogs.akamai.com/2021/06/saml-implementation-vulnerability-impacting-some-akamai-services.html"},{"type":"REPORT","url":"https://blogs.akamai.com/2021/06/akamai-eaa-impersonation-vulnerability---a-deep-dive.html"},{"type":"REPORT","url":"https://blogs.akamai.com/2021/06/sogo-and-packetfence-impacted-by-saml-implementation-vulnerabilities.html"},{"type":"REPORT","url":"https://github.com/inverse-inc/sogo/blob/master/CHANGELOG.md"},{"type":"REPORT","url":"https://www.sogo.nu/news.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-33054"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8504-1"}],"affected":[{"package":{"name":"sogo","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/sogo?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.17a-1.1ubuntu0.1~esm1"}]}],"versions":["2.2.17a-1","2.2.17a-1.1","2.2.17a-1.1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"sogo","binary_version":"2.2.17a-1.1ubuntu0.1~esm1"},{"binary_name":"sogo-common","binary_version":"2.2.17a-1.1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33054.json"}},{"package":{"name":"sogo","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/sogo?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.10-1ubuntu0.1~esm1"}]}],"versions":["3.2.10-1","3.2.10-1build1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"3.2.10-1ubuntu0.1~esm1","binary_name":"sogo"},{"binary_name":"sogo-common","binary_version":"3.2.10-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33054.json"}},{"package":{"name":"sogo","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/sogo?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.0-1ubuntu0.1~esm1"}]}],"versions":["4.0.8-1","4.1.0-1","4.1.1-1","4.3.0-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"sogo","binary_version":"4.3.0-1ubuntu0.1~esm1"},{"binary_version":"4.3.0-1ubuntu0.1~esm1","binary_name":"sogo-common"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33054.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}