Siemens Industry Online Support
Siemens AG

Apache Log4j Vulnerability (CVE-2021-44228, Log4Shell) - Impact to Siemens Products

Siemens is aware of the security vulnerability in Apache Log4j (CVE-2021-44228), also named "Log4Shell".

For Siemens products, please monitor the ProductCERT website for updates in the following days as more information becomes available:

A consequence of Brexit: CE goes UKCA

Due to Brexit, there are new requirements such as UKCA marking or UK declaration of conformity for many Siemens products in the United Kingdom.

Specific transition periods apply to the individual regulations, which can be found in the following FAQ:

UK Declaration of Conformity and UKCA marking of Products according to the regulations of the United Kingdom

Latest News: TIA Portal V17 - free digital trainings

SITRAIN has published its free digital trainings with highlights of the TIA Portal V17 in the Industry Online Support:

  • 150 minutes of free digital acquisition of knowledge!

In which form?

  • A combination of text, speech, and screencasts

Your benefit:

  • An improvement in the software quality and a reduction in the engineering costs of your automation solution


  • Knowledge of TIA Portal with previous versions, for example, V15 or V16
  • Login here in the Siemens Industry Online Support or register yourself, if you don't have a login yet


  • Introduction
  • Engineering V17
  • Library handling
  • WinCC Unified
  • Motion Control
  • OPC UA
  • Industrial Security
  • Redundant solutions
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