An exploitable denial of service vulnerability exists in the Ethernet functionality of the Allen Bradley Micrologix 1400 Series B FRN 21.2 and below. A specially crafted packet can cause a device power cycle resulting in a fault state and deletion of ladder logic. An attacker can send one unauthenticated packet to trigger this vulnerability
| Software | From | Fixed in |
|---|---|---|
| rockwellautomation / micrologix_1400_b_firmware | - | 21.2.x |