Rockwell Automation Modbus TCP AOI Server Could Leak Sensitive Information
Vulnerability Description
Rockwell Automation Modbus TCP Server AOI prior to 2.04.00 is vulnerable to an unauthorized user sending a malformed message that could cause the controller to respond with a copy of the most recent response to the last valid request. If exploited, an unauthorized user could read the connected device’s Modbus TCP Server AOI information.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-0027
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Parul Sindhwad and Dr. Faruk Kazi of CoE CNDS lab, VJTI, Mumbai, India reported this to Rockwell Automation.
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