CVE-2021-27794

Published: Aug 12, 2021Modified: Jun 17, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

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.

Affected (3)

Products: Broadcom: Fabric Operating System

Broadcom

1 product

Fabric Operating System

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Broadcom Fabric Operating System	Before 7.4.2h
Broadcom Fabric Operating System	From 8.0.0 to 8.2.3a
Broadcom Fabric Operating System	From 9.0.0 to 9.0.1a

Related CWEs

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (4)

https://security.netapp.com/advisory/ntap-20210819-0001/

Source: sirt@brocade.com

Third Party Advisory

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1552

Source: sirt@brocade.com

Vendor Advisory

https://security.netapp.com/advisory/ntap-20210819-0001/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1552

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.