CVE-2022-1797

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

References

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