A vulnerability was found in Netentsec NS-ASG Application Security Gateway 6.3 and classified as critical. Affected by this issue is some unknown functionality of the file /protocol/firewall/uploadfirewall.php. The manipulation of the argument messagecontent leads to sql injection. The exploit has been disclosed to the public and may be used. VDB-243590 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.