CVE-2022-1797 Information

Description

A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers resulting in a major nonrecoverable fault. If the target device becomes unavailable a user would have to clear the fault and redownload the user project file to bring the device back online.

Reference

https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01 https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559