CVE-2012-6435

high

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

References

https://www.cisa.gov/news-events/ics-advisories/icsa-13-011-03

https://rockwellautomation.custhelp.com/app/answers/detail/aid/470156

https://rockwellautomation.custhelp.com/app/answers/detail/aid/470155

https://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154

http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-03.pdf

http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102

Details

Source: Mitre, NVD

Published: 2013-01-24

Updated: 2025-06-30

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.24133