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OpenAdvisories
Medium · 5.3 CVE-2023-0027 EUVD-2023-12132GHSA-fj78-7vc8-pxrm

Rockwell Automation Modbus TCP AOI Server Could Leak Sensitive Information

Published Mar 17, 2023 · Updated Feb 26, 2025 · Assigned by Rockwell

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.

Affected products

VendorProductAffectedFixed
Rockwell Automation Modbus TCP Server Add On Instructions 2.00.00 - 2.00.03 —

Advisories 1

References