Multiple unspecified vulnerabilities in IBM WebSphere Application Server 6.1.0 before Fix Pack 3 (6.1.0.3) have unknown impact and attack vectors, related to (1) a "Potential security vulnerability" (PK29725) and (2) "Potential security exposure" (PK30831).
http://www.vupen.com/english/advisories/2006/4639
http://www.securityfocus.com/bid/21204
http://www-1.ibm.com/support/search.wss?rs=0&q=PK30831&apar=only
http://www-1.ibm.com/support/search.wss?rs=0&q=PK29725&apar=only
http://www-1.ibm.com/support/docview.wss?uid=swg27007951
http://www-1.ibm.com/support/docview.wss?rs=180&uid=swg24013830