CVE-2012-4690: Rockwellautomation Ab Micrologix Controller

High severity, CVSS 7.1. EPSS: 4.1% chance of exploitation in the next 30 days.

Rockwell Automation Allen-Bradley MicroLogix controller 1100, 1200, 1400, and 1500; SLC 500 controller platform; and PLC-5 controller platform, when Static status is not enabled, allow remote attackers to cause a denial of service via messages that trigger modification of status bits.

Affected products

• Rockwellautomation Ab Micrologix Controller: version 1100 only; version 1200 only; version 1400 only; version 1500 only
• Rockwellautomation PLC-5 Controller: affected versions not specified
• Rockwellautomation Slc 500 Controller: affected versions not specified

Published 2012-12-08. Last modified 2026-06-16.