CVE-2005-2591
Parlano MindAlign 5.0 and later versions allows remote attackers to list valid users via unknown vectors, aka the "User Enumeration" vulnerability.
Date published : 2005-08-17
http://www.securityfocus.com/bid/14562
http://www.niscc.gov.uk/niscc/docs/br-20050812-00673.html?lang=en