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…

How can I display the User Privilege setting for Enhanced Security?

In order to display the privilege of the current user, write a value of “13” to display privilege per Username or “14” to display privilege per User ID. Make sure either the username or user ID are loaded into the Security Control registers before sending the command to the command register.

What is the difference between general and enhanced security in EBPro?

There are two methods of user security in Maple Systems our HMI and cMT configuration software: General and Enhanced Mode. General mode is for the majority of uses, where a simple user number and numeric password will suffice. This mode is not available for cMT models. Enhanced security is for adding users dynamically to the…

How can I protect my project file?

Security settings in EBPro allow you to disable or password protect project uploads from the HMI, disable or password protect de-compilation of the project file, and password protect the project file itself. These features are discussed in more detail in the Security chapter of the EBPro Programming Manual.

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…

Security and my Wi-Fi HMI or cMT model.

Security is paramount in today’s technologically advanced times and so is connectivity. Many PLCs take advantage of Ethernet communication to transmit data to a monitoring device such as an HMI. Plant corporate networks also run via Wi-Fi networking. But how do you get data from the PLC to your corporate network without the bandwidth or…

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