The Web Services fat client for BEA WebLogic Server and Express 7.0 SP4 and earlier, when using 2-way SSL and multiple certificates to connect to the same URL, may use the incorrect identity after the first connection, which could allow users to gain privileges.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15826
http://www.securityfocus.com/bid/9502
http://www.kb.cert.org/vuls/id/858990
http://secunia.com/advisories/10725
http://dev2dev.bea.com/resourcelibrary/advisoriesnotifications/BEA04_47.00.jsp