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CVE-2021-27793

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

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5.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Exploitability: 3.9 / Impact: 1.4
Source: NVD

Description

ntermittent authorization failure in aaa tacacs+ with Brocade Fabric OS versions before Brocade Fabric OS v9.0.1b and after 9.0.0, also in Brocade Fabric OS before Brocade Fabric OS v8.2.3a and after v8.2.0 could cause a user with a valid account to be unable to log into the switch.

Affected (5)

Broadcom
1 product
Fabric Operating System
Configuration A
5 vulnerable
Vulnerable SoftwareAffected Versions
Broadcom
Fabric Operating System
From 8.2.0 to 8.2.3
Fabric Operating System
From 9.0.0 to 9.0.1
Fabric Operating System
Version 8.2.3
Fabric Operating System
Version 9.0.1
Fabric Operating System
Version 9.0.1a

Related CWEs

CWE-863
Incorrect Authorization
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (4)

Source: sirt@brocade.com
Third Party Advisory
Source: sirt@brocade.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.