A vulnerability, which was classified as critical, was found in ESAFENET CDG 5. This affects the function findById of the file /com/esafenet/servlet/document/ExamCDGDocService.java. The manipulation of the argument id 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 vendor was contacted early about this disclosure but did not respond in any way.