SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-27891

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

HIGH 8.8EPSS 1.04%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.04% probability · 62th percentile
CISA KEV
Not listed
Affected
ssh/tectia client · ssh/tectia connectsecure · ssh/tectia server
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.