A vulnerability was found in Jinan Chicheng Company JFlow 2.0.0. It has been rated as problematic. This issue affects the function AttachmentUploadController of the file /WF/Ath/EntityMutliFile_Load.do of the component Attachment Handler. The manipulation of the argument oid leads to improper access controls. The attack may be initiated 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.