ESAFENET CDG UserAjax sql injection

A vulnerability, which was classified as critical, was found in ESAFENET CDG 3. Affected is an unknown function of the file /CDGServer3/UserAjax. The manipulation of the argument Username leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.