{"id":"UBUNTU-CVE-2021-40904","details":"The web management console of CheckMK Raw Edition (versions 1.5.0 to 1.6.0) allows a misconfiguration of the web-app Dokuwiki (installed by default), which allows embedded php code. As a result, remote code execution is achieved. Successful exploitation requires access to the web management interface, either with valid credentials or with a hijacked session by a user with the role of administrator.","modified":"2025-10-24T04:50:34Z","published":"2022-03-25T23:15:00Z","upstream":["CVE-2021-40904"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-40904"},{"type":"REPORT","url":"https://github.com/Edgarloyola/CVE-2021-40904"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-40904"}],"affected":[{"package":{"name":"check-mk","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/check-mk@1.2.6p12-1ubuntu0.16.04.1+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.6p5-1","1.2.6p12-1","1.2.6p12-1ubuntu0.16.04.1","1.2.6p12-1ubuntu0.16.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"check-mk-agent","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"},{"binary_name":"check-mk-agent-logwatch","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"},{"binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1","binary_name":"check-mk-config-icinga"},{"binary_name":"check-mk-config-nagios3","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"},{"binary_name":"check-mk-livestatus","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"},{"binary_name":"check-mk-multisite","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"},{"binary_name":"check-mk-server","binary_version":"1.2.6p12-1ubuntu0.16.04.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40904.json"}},{"package":{"name":"check-mk","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/check-mk@1.2.8p16-1ubuntu0.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.8p16-1ubuntu0.1","1.2.8p16-1ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_name":"check-mk-agent","binary_version":"1.2.8p16-1ubuntu0.2"},{"binary_name":"check-mk-agent-logwatch","binary_version":"1.2.8p16-1ubuntu0.2"},{"binary_name":"check-mk-config-icinga","binary_version":"1.2.8p16-1ubuntu0.2"},{"binary_name":"check-mk-livestatus","binary_version":"1.2.8p16-1ubuntu0.2"},{"binary_name":"check-mk-multisite","binary_version":"1.2.8p16-1ubuntu0.2"},{"binary_name":"check-mk-server","binary_version":"1.2.8p16-1ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40904.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}