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.

Server-side request forgery (SSRF) vulnerability in the proxy endpoint (api/v1/proxy) in Apache Ambari before 2.1.0 allows remote authenticated users to conduct port scans and access unsecured services via a crafted REST call.

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.