A vulnerability was found in Netentsec NS-ASG Application Security Gateway 6.3. It has been classified as critical. This affects an unknown part of the file /protocol/firewall/addaddress_interpret.php. The manipulation of the argument messagecontent leads to sql injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-243591. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.