CVE-2012-6435 When an affected product receives a valid CIP message from an unauthorized or unintended source to Port 2222/TCP, Port…
Description
When an affected product receives a valid CIP message from an unauthorized or unintended source to Port 2222/TCP, Port 2222/UDP, Port 44818/TCP, or Port 44818/UDP that instructs the CPU to stop logic execution and enter a fault state, a DoS can occur. This situation could cause loss of availability and a disruption of communication with other connected devices. Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| 1756-ENBT, 1756-EWEB, 1768-ENBT, 1768-EWEB communication modules | Versions not published | |
| CompactLogix L32E and L35E controllers | Versions not published | |
| 1788-ENBT FLEXLogix adapter | Versions not published | |
| 1794-AENTR FLEX I/O EtherNet/IP adapter | Versions not published | |
| ControlLogix, CompactLogix, GuardLogix, and SoftLogix 18 | earliest → 18 | No fix stated |
| CompactLogix and SoftLogix controllers 19 | earliest → 19 | No fix stated |
| ControlLogix and GuardLogix controllers 20 | earliest → 20 | No fix stated |
| MicroLogix | 1400 | No fix stated |
| MicroLogix | 1100 | No fix stated |