CVE detail
CVE-2021-22681 — Rockwell Multiple Products Insufficient Protected Credentials Vulnerability
Published 2026-03-05 · Modified 2026-03-05 · Source kev
HIGH
severity
CVSS-derived band
0.6099
EPSS probability
exploitation probability, 30d
99.0%
EPSS percentile
percentile vs all CVEs
LISTED
CISA KEV
due 2026-03-26
⚠ Actively exploited in the wild — CISA KEV listed 2026-03-05, federal remediation due 2026-03-26.
Description
Multiple Rockwell products contain an insufficient protected credentials vulnerability. Studio 5000 Logix Designer software may allow a key to be discovered. This key is used to verify Logix controllers are communicating with Rockwell Automation design software. If successfully exploited, this vulnerability could allow an unauthorized application to connect with Logix controllers. To leverage this vulnerability, an unauthorized user would require network access to the controller.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References