Centreon Web before 2.8.30, 18.10.x before 18.10.8, 19.04.x before 19.04.5 and 19.10.x before 19.10.2 allows Remote Code Execution by an administrator who can modify Macro Expression location settings. CVE-2019-16405 and CVE-2019-17501 are similar to one another and may be the same.
https://thecybergeek.co.uk/cves/2019/09/19/CVEs.html
https://thecybergeek.co.uk/cves/2019/09/17/CVE-2019-16405-06.html
https://github.com/centreon/centreon/pull/7884
https://github.com/centreon/centreon/pull/7864
https://github.com/TheCyberGeek/CVE-2019-16405.rb
https://documentation.centreon.com/docs/centreon/en/latest/release_notes/centreon-2.8.html
https://documentation.centreon.com/docs/centreon/en/latest/release_notes/centreon-19.10.html
https://documentation.centreon.com/docs/centreon/en/latest/release_notes/centreon-19.04.html
https://documentation.centreon.com/docs/centreon/en/latest/release_notes/centreon-18.10.html
http://packetstormsecurity.com/files/155999/Centreon-19.04-Remote-Code-Execution.html