A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0). The SFTP service (default port 22/tcp) of the Control Center Server (CCS) contains an authentication bypass vulnerability. A remote attacker with network access to the CCS server could exploit this vulnerability to read data from the EDIR directory (for example, the list of all configured stations).
https://cert-portal.siemens.com/productcert/pdf/ssa-761844.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-761617.pdf