A vulnerability classified as critical was found in Abstrium Pydio Cells 4.2.0. This vulnerability affects unknown code of the component User Creation Handler. The manipulation leads to improper control of resource identifiers. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 4.2.1 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-230212.