zzskzy Warehouse Refinement Management System AcceptZip.ashx ProcessRequest unrestricted upload

A vulnerability, which was classified as critical, was found in zzskzy Warehouse Refinement Management System 3.1. Affected is the function ProcessRequest of the file /AcceptZip.ashx. The manipulation of the argument file leads to unrestricted upload. 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.