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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
brocadeCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 54%
VendorProductVersion
broadcomfabric_operating_system
8.2.0 ≤
𝑥
< 8.2.3
broadcomfabric_operating_system
9.0.0 ≤
𝑥
< 9.0.1
broadcomfabric_operating_system
8.2.3
broadcomfabric_operating_system
9.0.1
broadcomfabric_operating_system
9.0.1a:a
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://security.netapp.com/advisory/ntap-20210819-0001/
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1553
https://security.netapp.com/advisory/ntap-20210819-0001/
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1553