Apps Manager included in Pivotal Application Service, versions 1.12.x prior to 1.12.22, 2.0.x prior to 2.0.13, and 2.1.x prior to 2.1.4 contains an authorization enforcement vulnerability. A member of any org is able to create invitations to any org for which the org GUID can be discovered. Accepting this invitation gives unauthorized access to view the member list, domains, quotas and other information about the org.