The X-Frame-Options header in Rockwell Automation MicroLogix 1100/1400 Versions 21.007 and prior is not configured in the HTTP response, which could allow clickjacking attacks.
https://www.cisa.gov/uscert/ics/advisories/icsa-22-188-01
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135994