Vulnerability Advisory
CVE-2021-22681
CISA has added two critical 9.8-severity vulnerabilities — CVE-2017-7921 in Hikvision cameras and CVE-2021-22681 in Rockwell Automation — to its Known Exploited Vulnerabilities catalog. Federal agencies must patch by March 26, 2026.
Severity
critical
CVSS Score
9.8 / 10
Published
Mar 7, 2026
Affected Products
- ›Hikvision IP cameras and DVRs (CVE-2017-7921)
- ›Rockwell Automation Studio 5000 Logix Designer
- ›Rockwell Automation RSLogix 5000
- ›Rockwell Automation Logix Controllers (CVE-2021-22681)
Full Analysis
CISA Flags Hikvision and Rockwell Automation CVSS 9.8 Flaws as Actively Exploited — Patch by March 26
Deep-dive: technical breakdown, real-world impact, complete remediation steps, and expert context.
Read the full report →