In GLPI before 9.5.3, ajax/getDropdownValue.php has an Insecure Direct Object Reference (IDOR) vulnerability that allows an attacker to read data from any itemType (e.g., Ticket, Users, etc.).
{ "versions": [ { "introduced": "0" }, { "fixed": "9.5.3" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27663.json"