Apache Ambari before 2.1, as used in IBM Infosphere BigInsights 4.x before 4.1, stores a cleartext BigSheets password in a configuration file, which allows local users to obtain sensitive information by reading this file.
Apache Ambari before 2.1, as used in IBM Infosphere BigInsights 4.x before 4.1, includes cleartext passwords on a Configs screen, which allows physically proximate attackers to obtain sensitive information by reading password fields.