An exploitable denial of service vulnerability exists in the program download functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a device fault resulting in halted operations. An attacker can send an unauthenticated packet to trigger this vulnerability.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Micrologix_1400_b_firmware | Rockwellautomation | * | 21.2 (including) |