VULNERABILITY INTELLIGENCE

CVE-2021-43040

CVSS score8.8 HIGH

EPSS probability1.83%

CISA KEVNot currently listed

Published2021-12-06

Last modified2026-06-17

Description

An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. The privileged vaultServer could be leveraged to create arbitrary writable files, leading to privilege escalation.