A CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause unauthorized command execution when a brute force attack is done over Modbus.
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.
Link | Tags |
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https://www.se.com/ww/en/download/document/SEVD-2020-315-07 | patch vendor advisory |