HP Helion Eucalyptus 4.1.x before 4.1.2 and HPE Helion Eucalyptus 4.2.x before 4.2.1 allow remote authenticated users to bypass intended access restrictions and modify arbitrary (1) access key credentials by leveraging knowledge of a key ID or (2) signing certificates by leveraging knowledge of a certificate ID.

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.

Atlassian Eucalyptus before 4.4.1, when in EDGE mode, allows remote authenticated users with certain privileges to cause a denial of service (E2 service outage) via unspecified vectors.