{"id":"UBUNTU-CVE-2021-33816","details":"The website builder module in Dolibarr 13.0.2 allows remote PHP code execution because of an incomplete protection mechanism in which system, exec, and shell_exec are blocked but backticks are not blocked.","modified":"2026-06-17T20:15:21.669043390Z","published":"2021-11-10T23:15:00Z","upstream":["CVE-2021-33816"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-33816"},{"type":"REPORT","url":"https://trovent.io/security-advisory-2106-01"},{"type":"REPORT","url":"https://trovent.github.io/security-advisories/TRSA-2106-01/TRSA-2106-01.txt"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-33816"}],"affected":[{"package":{"name":"dolibarr","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/dolibarr?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.5+dfsg1-2","3.5.7+dfsg1-1","3.5.8+dfsg1-1","3.5.8+dfsg1-1ubuntu1","3.5.8+dfsg1-1ubuntu1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"dolibarr","binary_version":"3.5.8+dfsg1-1ubuntu1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-33816.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:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}