PGSQL:SubmitQuery.do in ZOHO ManageEngine OpManager 11.6, 11.5, and earlier allows remote administrators to bypass SQL query restrictions via a comment in the query to api/json/admin/SubmitQuery, as demonstrated by "INSERT/**/INTO."
https://www.exploit-db.com/exploits/38221/
https://support.zoho.com/portal/manageengine/helpcenter/articles/pgsql-submitquery-do-vulnerability
https://euvd.enisa.europa.eu/vulnerability/EUVD-2015-7665
http://seclists.org/fulldisclosure/2015/Sep/66
http://packetstormsecurity.com/files/133596/ManageEngine-OpManager-Remote-Code-Execution.html