Regulatory

CISA warns of high-severity Rockwell Automation controller flaw

Atlas Watchline · September 1, 2026

Key facts

What happened

CISA published an advisory for Rockwell Automation ControlLogix, CompactLogix, CompactLogix 5480, GuardLogix, and Compact GuardLogix

Key facts

Why it matters

The advisory identifies CVE-2021-42260 as the vulnerability

Key facts

The details

The vulnerability is described as a potential denial of service issue triggered via corrupt crafted data

Atlas Watchline

Read the full report

CISA says a high-severity flaw in several Rockwell Automation industrial controllers could trigger a denial-of-service condition,…

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