What is CVE-2021-27794?

CVE-2021-27794 is a vulnerability in the authentication mechanism of Brocade Fabric OS versions before Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h that could allow a user to login with an empty password or an invalid password through telnet, ssh, and REST.

How severe is CVE-2021-27794?

CVE-2021-27794 has a severity rating of 7.8 (high).

Which software versions are affected by CVE-2021-27794?

Brocade Fabric OS versions before Brocade Fabric OS v.9.0.1a, v8.2.3a, and v7.4.2h are affected by CVE-2021-27794.

How can a user exploit CVE-2021-27794?

A user can exploit CVE-2021-27794 by attempting to log in with an empty password or an invalid password through telnet, ssh, or REST.

Are there any references or advisories related to CVE-2021-27794?

Yes, you can find more information about CVE-2021-27794 in the advisories published by NetApp and Broadcom.

Vulnerability/
CVE-2021-27794

high

7.8

CWE

287

12/8/2021

3/8/2024

CVE-2021-27794

First published: Thu Aug 12 2021(Updated: )

A vulnerability in the authentication mechanism of Brocade Fabric OS versions before Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h could allow a user to Login with empty password, and invalid password through telnet, ssh and REST.

Credit: sirt@brocade.com

Affected Software	Affected Version	How to fix
Broadcom Fabric Operating System	<7.4.2h
Broadcom Fabric Operating System	>=8.0.0<8.2.3a
Broadcom Fabric Operating System	>=9.0.0<9.0.1a

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2021-27794?
CVE-2021-27794 is a vulnerability in the authentication mechanism of Brocade Fabric OS versions before Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h that could allow a user to login with an empty password or an invalid password through telnet, ssh, and REST.
How severe is CVE-2021-27794?
CVE-2021-27794 has a severity rating of 7.8 (high).
Which software versions are affected by CVE-2021-27794?
Brocade Fabric OS versions before Brocade Fabric OS v.9.0.1a, v8.2.3a, and v7.4.2h are affected by CVE-2021-27794.
How can a user exploit CVE-2021-27794?
A user can exploit CVE-2021-27794 by attempting to log in with an empty password or an invalid password through telnet, ssh, or REST.
Are there any references or advisories related to CVE-2021-27794?
Yes, you can find more information about CVE-2021-27794 in the advisories published by NetApp and Broadcom.

collector/nvd-index
agent/references
agent/author
agent/severity
agent/weakness
agent/description
agent/type
agent/event
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
agent/tags
collector/mitre-cve
source/MITRE
vendor/broadcom
canonical/broadcom fabric operating system
version/broadcom fabric operating system/8.0.0
version/broadcom fabric operating system/9.0.0

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.