CVE-2021-40386: Kaseya Unitrends Backup

Critical severity, CVSS 9.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Kaseya Unitrends Client/Agent through 10.5,5 allows remote attackers to execute arbitrary code.

Affected products

• Kaseya Unitrends Backup: up to and including 10.5.5

Published 2022-04-15. Last modified 2026-06-17.