BEA WebLogic Server and WebLogic Express 8.1 SP2 and earlier, and 7.0 SP4 and earlier, when using 2-way SSL with a custom trust manager, may accept a certificate chain even if the trust manager rejects it, which allows remote attackers to spoof other users or servers.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15862
http://www.securityfocus.com/bid/10132
http://www.kb.cert.org/vuls/id/566390
http://securitytracker.com/id?1009765
http://secunia.com/advisories/11358
http://dev2dev.bea.com/resourcelibrary/advisoriesnotifications/BEA04_54.00.jsp