Jboss EAP Improper Input Validation Vulnerability - CVE-2011-4314
message/ax/AxMessage.java in OpenID4Java before 0.9.6 final as used in JBoss Enterprise Application Platform 5.1 before 5.1.2 Step2 Kay Framework before 1.0.2 and possibly other products does not verify that Attribute Exchange (AX) information is signed which allows remote attackers to modify potentially sensitive AX information without detection via a man-in-the-middle (MITM) attack.