VULNERABILITY INTELLIGENCE

CVE-2022-1797

CVSS score6.8 MEDIUM

EPSS probability2.16%

CISA KEVNot currently listed

Published2022-06-02

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

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.

Weakness classification

ics-cert@hq.dhs.gov: CWE-400

Primary references

ics-cert@hq.dhs.gov — Permissions Required, Vendor Advisory
ics-cert@hq.dhs.gov — Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource