The "Send as attachment" feature in Ipswitch MOVEit DMZ before 8.2 and MOVEit Mobile before 1.2.2 allow remote authenticated users to bypass authorization and read uploaded files via a valid FileID in the (1) serverFileIds parameter to mobile/sendMsg or (2) arg01 parameter to human.aspx.
https://www.profundis-labs.com/advisories/CVE-2015-7675.txt
https://euvd.enisa.europa.eu/vulnerability/EUVD-2015-7577
http://seclists.org/fulldisclosure/2016/Jan/95
http://packetstormsecurity.com/files/135457/Ipswitch-MOVEit-DMZ-8.1-Authorization-Bypass.html
http://docs.ipswitch.com/MOVEit/DMZ82/ReleaseNotes/MOVEitReleaseNotes82.pdf