{"id":"UBUNTU-CVE-2021-3731","details":"LedgerSMB does not sufficiently guard against being wrapped by other sites, making it vulnerable to 'clickjacking'. This allows an attacker to trick a targetted user to execute unintended actions.","modified":"2026-01-30T02:38:38.239954Z","published":"2021-08-23T13:15:00Z","related":["USN-5097-1","USN-7647-1"],"upstream":["CVE-2021-3731"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3731"},{"type":"REPORT","url":"https://ledgersmb.org/cve-2021-3731-clickjacking"},{"type":"REPORT","url":"https://huntr.dev/bounties/5664331d-f5f8-4412-8566-408f8655888a"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5097-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-3731"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7647-1"}],"affected":[{"package":{"name":"ledgersmb","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ledgersmb@1.3.46-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.46-1ubuntu0.1~esm1"}]}],"versions":["1.3.46-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.3.46-1ubuntu0.1~esm1","binary_name":"ledgersmb"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3731.json"}},{"package":{"name":"ledgersmb","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/ledgersmb@1.4.42+ds-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.42+ds-1ubuntu0.1~esm1"}]}],"versions":["1.4.41+ds-1","1.4.42+ds-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"ledgersmb","binary_version":"1.4.42+ds-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3731.json"}},{"package":{"name":"ledgersmb","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ledgersmb@1.6.9+ds-1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.9+ds-1ubuntu0.1"}]}],"versions":["1.6.9+ds-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"ledgersmb","binary_version":"1.6.9+ds-1ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3731.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}