High severity7.0NVD Advisory· Published Mar 15, 2021· Updated Jun 17, 2026

CVE-2021-27893

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

SSH/Tectia Client
cpe:2.3:a:ssh:tectia_client:*:*:*:*:*:*:*:*
Range: <6.4.19
SSH/Tectia Connectsecure2 versions
cpe:2.3:a:ssh:tectia_connectsecure:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:ssh:tectia_connectsecure:-:*:*:*:*:*:*:*
- (no CPE)
SSH/Tectia Server2 versions
cpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*range: <6.4.19
- (no CPE)range: <6.4.19
SSH Tectia/SSH Tectia Client and Servercpe-rescue

Patches

Vulnerability mechanics

References

info.ssh.com/tectia-vulnerability-cve-2021-27893nvdVendor Advisory

News mentions

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