Unspecified vulnerability in the Oracle Access Manager component in Oracle Fusion Middleware 11.1.1.7 and 11.1.2.2 allows remote attackers to affect availability via unknown vectors related to Authentication Engine.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2015-4768
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html