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Product Safety Advisory 2019-08-001: An anomaly exists with Studio 5000 Logix Designer versions V32.00.00, V32.00.01, and V32.01.00.  When used with 5380, 5480, and 5580 Logix controllers Function Block Functions may not execute properly following an online edit and subsequent upload/download of the controller application. Correction requires updating Studio 5000 Logix Designer.  Hardware is not affected and may not be returned on this notification.


A vulnerability has been discovered in certain versions of MicroLogix 1400 ™ controllers and 1756 ControlLogix® Ethernet/IP Communication modules, which could potentially allow an IP configuration change to occur even when the controller keyswitch is set to Hard Run. 

A remote, unauthenticated attacker could request a connection with an affected module and then send an IP configuration change request, which may result in a halt of Ethernet/IP traffic between the affected device and the rest of the system.


This Product Safety Advisory informs you of a potential anomaly that exists with the Trusted T8111 TMR Processor Module. When used in a dual processor redundant configuration with a second T8111 processor module or a T8110 processor module, the Active processor may go into its shutdown state with the second Standby module not becoming Active. This is due to the Active / Standby link between the two processors becoming synchronized, causing interference with the diagnostics. This may result in a full system shutdown.