CVE-2017-12477: Kaseya Unitrends Backup

Critical severity, CVSS 9.8. EPSS: 68.2% chance of exploitation in the next 30 days.

It was discovered that the bpserverd proprietary protocol in Unitrends Backup (UB) before 10.0.0, as invoked through xinetd, has an issue in which its authentication can be bypassed. A remote attacker could use this issue to execute arbitrary commands with root privilege on the target system.

Affected products

• Kaseya Unitrends Backup: before 10.0 (fixed in 10.0)

Published 2017-08-07. Last modified 2026-06-17.