Skip to main content

Missing Authentication for Critical Function


Severity High
Score 9.1/10


A vulnerability has been identified in SIMATIC eaSie Core Package (All versions < V22.00). The underlying MQTT service of affected systems does not perform authentication in the default configuration. This could allow an unauthenticated remote attacker to send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.

  • LOW
  • HIGH
  • NONE
  • NONE
  • HIGH
  • NONE

CWE-306 - Missing Authentication for Critical Function

The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.


Advisory Timeline

  • Published