A security issue exists due to the web-based debugger agent enabled on Rockwell Automation ControlLogix® Ethernet Modules. If a specific IP address is used to connect to the WDB agent, it can allow remote attackers to perform memory dumps, modify memory, and control execution flow.
The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure.
Developers often choose default values that leave the product as open and easy to use as possible out-of-the-box, under the assumption that the administrator can (or should) change the default value. However, this ease-of-use comes at a cost when the default is insecure and the administrator does not change it.