Severity

Medium

Analysis Summary

The affected devices do not properly handle large numbers of new incoming connections and could crash under certain circumstances.

Impact

Denial-of-service

Affected Vendors

Siemens

Affected Products

SIMATIC S7-200 SMART CPU family: v2.2 and later
prior to v2.5.1

Remediation

Siemens recommends users update to v2.5.1