Unspecified vulnerability in IBM WebSphere MQ 6.0.x before 6.0.2.2 and 5.3 before Fix Pack 14 allows attackers to bypass access restrictions for a queue manager via a SVRCONN (MQ client) channel.
http://www.vupen.com/english/advisories/2008/0719
http://www.securitytracker.com/id?1019527
http://www.securityfocus.com/bid/28046
http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg1IZ01272