https://reddit.com/r/cybersecurity/comments/1rmr53b/update_rockwell_vulnerability_added_to_cisa_kev/: UPDATE: Rockwell vulnerability added to CISA KEV catalog, under active exploit
Published Mar 6, 2026
·Updated
Affected Software
1 affected component
Rockwell Automation Studio 5000 Logix Designer
Frequently Asked Questions
1
What is the severity of CVE-2021-22681?
CVE-2021-22681 has been classified as a critical vulnerability due to its potential for remote code execution.
2
How do I fix CVE-2021-22681?
To mitigate CVE-2021-22681, users should apply the latest patches provided by Rockwell Automation for Studio 5000 Logix Designer.
3
What impact does CVE-2021-22681 have on systems?
CVE-2021-22681 could allow an attacker to gain unauthorized access to control systems, potentially disrupting operations.
4
Is CVE-2021-22681 being actively exploited?
Yes, CVE-2021-22681 is currently being actively exploited in the wild, posing immediate risks to affected systems.
5
Which products are affected by CVE-2021-22681?
CVE-2021-22681 affects Rockwell Automation's Studio 5000 Logix Designer software and several models in its Logix line of PLCs.