RuvarOA v6.01 and v12.01 were discovered to contain a SQL injection vulnerability via the sys_file_storage_id parameter at /WorkFlow/wf_work_finish_file_down.aspx.
https://gist.github.com/Mr-xn/bc8261a5c3e35a72768723acf1da358d#wf_work_finish_file_downaspx