CWE-321 USE OF HARD-CODED CRYPTOGRAPHIC KEY:
An attacker can gain access to salted information to decrypt MQTT information.
ABB recommends disabling the REST interface when it is not being used to configure the MQTT functionality. By default, when the REST interface is disabled so there is no risk. The RMC-100 is not intended for access over public networks such as the Internet. An attacker would need access to the user's private control network to exploit these vulnerabilities. Proper network segmentation is recommended.