Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-27793

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.

Published

2021-08-12T15:15:07.817

Last Modified

2024-11-21T05:58:34.670

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-863

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	broadcom	fabric_operating_system	< 8.2.3	Yes
Operating System	broadcom	fabric_operating_system	< 9.0.1	Yes
Operating System	broadcom	fabric_operating_system	8.2.3	Yes
Operating System	broadcom	fabric_operating_system	9.0.1	Yes
Operating System	broadcom	fabric_operating_system	9.0.1a	Yes

References

https://security.netapp.com/advisory/ntap-20210819-0001/ Third Party Advisory ([email protected])
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1553 Vendor Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210819-0001/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1553 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)