The vulnerability of the microprogrammed software in Rockwell Automation’s CompactLogix, ControlLogix, Compact GuardLogix, and GuardLogix controllers lies in the copying of buffers without checking the size of the input data. This allows a malicious actor to trigger an Error Message Response (MNRF).

The vulnerability of the microprogrammed software in Rockwell Automation’s CompactLogix, ControlLogix, Compact GuardLogix, and GuardLogix controllers lies in the copying of buffers without checking the size of the input data. Exploiting this vulnerability can allow a remote attacker to trigger a...