An interface module for a vehicle crash management system wherein the interface module includes a support structure and a covering layer, and the interface module is adapted for attaching a crash box to a bumper beam. A first section of the support structure is adapted for being placed in direct contact with the bumper beam. A second section of the support structure comprises a recess adapted for receiving one end of the crash box, and the second section is further adapted for being covered by the covering layer. The covering layer is adapted for being arranged on the second surface, such that the support structure is completely enclosed between the bumper beam and the covering layer. Also disclosed are a crash management system and a method for assembling such a system.