Description
Apache Shiro 1.x before 1.2.3, when using an LDAP server with unauthenticated bind enabled, allows remote attackers to bypass authentication via an empty (1) username or (2) password.
Remediation
References
http://rhn.redhat.com/errata/RHSA-2014-1351.html
https://issues.apache.org/jira/browse/SHIRO-460
http://seclists.org/fulldisclosure/2014/Mar/22