AUGUST 5, 2026
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Case File

CVE-2021-27891

HIGH · CVSS 8.8 EPSS 1.04%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-15 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. It affects Windows.

CVE
CVE-2021-27891
Severity
HIGH
CVSS
8.8
EPSS
1.04%
Windows

Original NVD Description

SSH Tectia Client and Server before 6.4.19 on Windows have weak key generation. ConnectSecure on Windows is affected.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-66803 CRITICAL CVE-2026-18018 MEDIUM CVE-2026-17992 MEDIUM CVE-2026-17932 MEDIUM CVE-2026-17908 MEDIUM CVE-2026-17900 MEDIUM