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What is Log4j Vulnerability?

“Maple Systems HMIs are not affected by CVE-2021-44228, also known as Log4shell, and related vulnerabilities including CVE-2021-45046 and CVE-2021-45105. Users of Maple Systems HMIs do not have to take any further action.”

Background

Disclosed on December 9, 2021, CVE-2021-44228 is an Apache Log4j vulnerability which may allow remote code execution (RCE) on the target system by an attacker. Apache Log4j is a universally used logging system for Java-based web and server applications, and due to its widespread usage, many systems and applications may be affected by this vulnerability.

When I log into WebView / EasyWeb I see a warning telling me the connection is not secure because it is using a Self-signed certificate. Is it safe to proceed?

When first logging in to WebView or EasyWeb 2.0 you may get a message warning that the website’s certificate could not be verified. The exact wording and look of the message will depend on the browser you are using, but it will be something to the effect of: This is because the connection to the…

What tools and/or features are available to restrict access to HMI screens, objects and functions?

The security feature in the software contains many tools to restrict access to HMI screens, objects and functions. There are tools to manage passwords at run time, add users, update passwords and access levels, and create temporary users. Refer to the security chapter in the EBPro Programming Manual for a complete discussion of the security…