Exploitation of Rockwell ICS Vulnerability CVE-2021-22681 Confirmed

Exploitation of Rockwell ICS Vulnerability CVE-2021-22681 Confirmed

First seen 6 Mar 2026, 14:11 UTC •Securityweek •63.8

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ThreatCluster

CVE-2021-22681, a vulnerability in Rockwell Automation's ICS products, has been exploited in attacks. Although it was disclosed and mitigated in 2021, its exploitation in the wild has only recently been reported, raising concerns for affected organizations.

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Timeline

2021-03-03
CVE-2021-22681 published
2021-03-05
CVE-2021-22681 added to CISA KEV for active exploitation
2026-03-06
Reports confirm exploitation of the vulnerability in attacks

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