CVE-2012-6439
Rockwell Automation ControlLogix PLC Improper Access Control
- State
- Published
- Severity
- 8.5 High
- Published
- Jan 24, 2013
- Updated
- Jun 30, 2025
- Reserved
- Dec 26, 2012
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 changes the product’s configuration and network parameters, a DoS condition 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
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 2.0 | 8.5 High | AV:N/AC:L/Au:N/C:N/I:P/A:C | icscert |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
1756-ENBT, 1756-EWEB, 1768-ENBT, 1768-EWEB communication modulesRockwell Automation |
|
CompactLogix L32E and L35E controllersRockwell Automation |
|
1788-ENBT FLEXLogix adapterRockwell Automation |
|
1794-AENTR FLEX I/O EtherNet/IP adapterRockwell Automation |
|
ControlLogix, CompactLogix, GuardLogix, and SoftLogixRockwell Automation |
|
CompactLogix and SoftLogix controllersRockwell Automation |
|
ControlLogix and GuardLogix controllersRockwell Automation |
|
MicroLogixRockwell Automation |
|
References
- http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-03.pdf
- https://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154
- https://rockwellautomation.custhelp.com/app/answers/detail/aid/470155
- https://rockwellautomation.custhelp.com/app/answers/detail/aid/470156
- http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.