Apache Ambari 2.x before 2.4.0 includes KDC administrator passwords on the kadmin command line, which allows local users to obtain sensitive information via a process listing.
Apache Ambari before 2.0.2 or 2.1.x before 2.1.1 allows remote authenticated users to gain administrative privileges via unspecified vectors, possibly related to changing passwords.
Open redirect vulnerability in Apache Ambari before 2.1.2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the targetURI parameter.