The CmbWebserver.dll module of the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to create arbitrary directories under the web root by specifying a non-existent directory using \ (backslash) characters in an HTTP GET request.
Category : Permissions, Privileges, and Access Controls Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.