Siemens RUGGEDCOM ROX (Update A)

This updated advisory is a follow-up to the original advisory titled ICSA-21-259-01 Siemens RUGGEDCOM ROX that was published September 16, 2021, to the ICS webpage on us-cert.cisa.gov. This advisory contains mitigations for Improper Privilege Management, Execution with Unnecessary Privileges, and Improper Handling of Insufficient Permissions or Privileges vulnerabilities in Siemens RUGGEDCOM ROX devices.