Apache CloudStack before 4.5.2 does not properly preserve VNC passwords when migrating KVM virtual machines, which allows remote attackers to gain access by connecting to the VNC server.
The (1) ListNetworkACL and (2) listNetworkACLLists APIs in Apache CloudStack before 4.2.1 allow remote authenticated users to list network ACLS for other users via a crafted request.
The virtual router in Apache CloudStack before 4.2.1 does not preserve the source restrictions in firewall rules after being restarted, which allows remote attackers to bypass intended restrictions via a request.