ControlLogix Crisis: Rockwell Automation’s Vulnerability Could Bring Your Systems to a Halt!
View CSAF: Rockwell Automation’s ControlLogix 5580 and GuardLogix 5580 have a new vulnerability allowing for remote denial-of-service attacks. With a CVSS v4 score of 8.7, it’s time to update your software and take defensive measures. Remember, nothing ruins a good day like a network meltdown!

Hot Take:
Looks like Rockwell Automation’s ControlLogix 5580 and GuardLogix 5580 are getting a crash course in “How to Play Dead” thanks to a new vulnerability. If you thought your PLCs were performing well, think again—because they might just be taking an unscheduled nap!
Key Points:
- Rated 8.7 on the CVSS v4 scale—pretty serious stuff.
- Remotely exploitable with low attack complexity.
- Denial-of-service vulnerability due to improper checks.
- Affects ControlLogix 5580 and GuardLogix 5580 models, versions v34.011 and later.
- Rockwell Automation has released fixes; update your devices to v34.014 and later.
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