CVE-2021-27893: SSH Tectia Client

High severity, CVSS 7.0. EPSS: 0.4% chance of exploitation in the next 30 days.

SSH Tectia Client and Server before 6.4.19 on Windows allow local privilege escalation in nonstandard conditions. ConnectSecure on Windows is affected.

Affected products

• SSH Tectia Client: before 6.4.19 (fixed in 6.4.19)
• SSH Tectia Connectsecure: affected versions not specified
• SSH Tectia Server: before 6.4.19 (fixed in 6.4.19)

Published 2021-03-15. Last modified 2026-06-17.