CVE-2009-3739: Rockwellautomation Ab Micrologix Controller 1100

High severity, CVSS 10.0. EPSS: 5.9% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities on the Rockwell Automation AB Micrologix 1100 and 1400 controllers allow remote attackers to obtain privileged access or cause a denial of service (halt) via unknown vectors.

Affected products

• Rockwellautomation Ab Micrologix Controller 1100: any version
• Rockwellautomation Ab Micrologix Controller 1400: any version

Published 2010-01-19. Last modified 2026-06-16.