A severe Zero-day security issue Log4Shell (CVE-2021-44228) was discovered on December 10 in the Java logging library, log4j v2.x. Our team has identified the issue and the effect on Java products.

The issue has been resolved and we have released security updates for the following products:

To learn more about the security vulnerability in Java-based OPC UA applications, check our Blog Post.

Please contact Prosys OPC Sales for more information.