The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.
The IKE implementation in Clavister CorePlus before 8.80.03, and 8.80.00, does not properly validate certificates during IKE negotiation, which allows remote attackers to cause a denial of service (gateway stop) via certain certificates.