The DiagnosticsHandler in JGroup 3.0.x, 3.1.x, 3.2.x before 3.2.9, and 3.3.x before 3.3.3 allows remote attackers to obtain sensitive information (diagnostic information) and execute arbitrary code by reusing valid credentials.
https://bugzilla.redhat.com/show_bug.cgi?id=983489
http://rhn.redhat.com/errata/RHSA-2014-0029.html
http://rhn.redhat.com/errata/RHSA-2013-1771.html
http://rhn.redhat.com/errata/RHSA-2013-1437.html
http://rhn.redhat.com/errata/RHSA-2013-1209.html