LAN SUITE Web Mail 602Pro allows remote attackers to gain sensitive information via the mail login form, which contains the path to the mail directory.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15350
http://marc.info/?l=bugtraq&m=107799540630302&w=2
http://archives.neohapsis.com/archives/bugtraq/2004-03/0096.html