ESAFENET CDG PublicDocInfoAjax.java delDifferCourseList sql injection

A vulnerability was found in ESAFENET CDG 5. It has been declared as critical. Affected by this vulnerability is the function delFile/delDifferCourseList of the file /com/esafenet/servlet/ajax/PublicDocInfoAjax.java. The manipulation leads to sql injection. The attack can be launched 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.