What is the severity of CVE-2021-27891?

CVE-2021-27891 has been classified as a moderate severity vulnerability due to weak key generation in SSH Tectia Client and Server.

How do I fix CVE-2021-27891?

To fix CVE-2021-27891, upgrade SSH Tectia Client and Server to version 6.4.19 or later.

Which versions of SSH Tectia Client are affected by CVE-2021-27891?

SSH Tectia Client versions prior to 6.4.19 are affected by CVE-2021-27891.

Is SSH Tectia ConnectSecure affected by CVE-2021-27891?

Yes, SSH Tectia ConnectSecure is affected by CVE-2021-27891 on Windows systems.

Are there any mitigations available for CVE-2021-27891?

The primary mitigation for CVE-2021-27891 is to update to the latest version of SSH Tectia Client and Server.

Vulnerability/
CVE-2021-27891

high

8.8

15/3/2021

3/8/2024

CVE-2021-27891

First published: Mon Mar 15 2021(Updated: )

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

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
SSH Tectia Client	<6.4.19
SSH Tectia ConnectSecure
SSH Tectia Server	<6.4.19
Microsoft Windows

Never miss a vulnerability like this again

Reference Links

https://info.ssh.com/tectia-vulnerability-cve-2021-27891

Frequently Asked Questions

What is the severity of CVE-2021-27891?
CVE-2021-27891 has been classified as a moderate severity vulnerability due to weak key generation in SSH Tectia Client and Server.
How do I fix CVE-2021-27891?
To fix CVE-2021-27891, upgrade SSH Tectia Client and Server to version 6.4.19 or later.
Which versions of SSH Tectia Client are affected by CVE-2021-27891?
SSH Tectia Client versions prior to 6.4.19 are affected by CVE-2021-27891.
Is SSH Tectia ConnectSecure affected by CVE-2021-27891?
Yes, SSH Tectia ConnectSecure is affected by CVE-2021-27891 on Windows systems.
Are there any mitigations available for CVE-2021-27891?
The primary mitigation for CVE-2021-27891 is to update to the latest version of SSH Tectia Client and Server.

agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/references
agent/severity
agent/last-modified-date
agent/author
agent/description
agent/event
agent/first-publish-date
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/ssh
canonical/ssh tectia client
canonical/ssh tectia connectsecure
canonical/ssh tectia server
vendor/microsoft
canonical/microsoft windows

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.

Frequently Asked Questions

What is the severity of CVE-2021-27891?
CVE-2021-27891 has been classified as a moderate severity vulnerability due to weak key generation in SSH Tectia Client and Server.
How do I fix CVE-2021-27891?
To fix CVE-2021-27891, upgrade SSH Tectia Client and Server to version 6.4.19 or later.
Which versions of SSH Tectia Client are affected by CVE-2021-27891?
SSH Tectia Client versions prior to 6.4.19 are affected by CVE-2021-27891.
Is SSH Tectia ConnectSecure affected by CVE-2021-27891?
Yes, SSH Tectia ConnectSecure is affected by CVE-2021-27891 on Windows systems.
Are there any mitigations available for CVE-2021-27891?
The primary mitigation for CVE-2021-27891 is to update to the latest version of SSH Tectia Client and Server.