Web Based Administration in MicroWorld Technologies MailScan 5.6.a espatch 1 allows remote attackers to bypass authentication and obtain administrative access via a direct request with (1) an IsAdmin=true cookie value or (2) no cookie.Referenceshttp://securityreason.com/securityalert/4172http://www.securityfocus.com/bid/30700https://exchange.xforce.ibmcloud.com/vulnerabilities/44515http://marc.info/?l=bugtraq&m=121881329424635&w=2http://www.oliverkarow.de/research/mailscan.txt