Eucalyptus 3.0.0 through 4.0.1, when the log level is set to DEBUG or lower, logs user and system passwords, which allows local users to obtain sensitive information by reading the cloud log files.
Eucalyptus 4.0.0 through 4.0.1, when the log level is set to INFO, logs user and system passwords, which allows local users to obtain sensitive information by reading cloud-requests.log.
HPE Helion Eucalyptus 3.4.0 through 4.2.0 allows remote authenticated users to bypass an intended AssumeRole permission requirement and assume an IAM role by leveraging a policy setting for a user's account.