The Web Console (aka web-console) in JBossAs in Red Hat JBoss Enterprise Application Platform (aka JBoss EAP or JBEAP) 4.2 before 4.2.0.CP09 and 4.3 before 4.3.0.CP08 performs access control only for the GET and POST methods, which allows remote attackers to obtain sensitive information via an unspecified request that uses a different method.
The drools serialization format allows to embed class files. Upon deserialization those are loaded by the VM that runs the drools engine. If that (attacker-controlled) class files defines code in a static initializer it is executed during deserialization.