CVE-2022-46670: Rockwellautomation Micrologix 1100 Firmware

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

Rockwell Automation was made aware of a vulnerability by a security researcher from Georgia Institute of Technology that the MicroLogix 1100 and 1400 controllers contain a vulnerability that may give an attacker the ability to accomplish remote code execution.  The vulnerability is an unauthenticated stored cross-site scripting vulnerability in the embedded webserver. The payload is transferred to the controller over SNMP and is rendered on the homepage of the embedded website.

Affected products

• Rockwellautomation Micrologix 1100 Firmware: affected versions not specified
• Rockwellautomation Micrologix 1400-A Firmware: up to and including 7.000
• Rockwellautomation Micrologix 1400-B Firmware: up to and including 21.007
• Rockwellautomation Micrologix 1400-C Firmware: up to and including 21.007
• Rockwellautomation Micrologix 1400 Firmware: affected versions not specified

Published 2022-12-16. Last modified 2026-06-17.