A vulnerability classified as critical has been found in Netentsec NS-ASG Application Security Gateway 6.3.1. This affects an unknown part of the file index.php?para=index of the component Login. The manipulation of the argument check_VirtualSiteId leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249183.