Medium severity5.4NVD Advisory· Published Aug 12, 2021· Updated Jun 17, 2026
CVE-2021-27791
CVE-2021-27791
Description
The function that is used to parse the Authentication header in Brocade Fabric OS Web application service before Brocade Fabric OS v9.0.1a and v8.2.3a fails to properly process a malformed authentication header from the client, resulting in reading memory addresses outside the intended range. An unauthenticated attacker could discover a request, which could bypass the authentication process.
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Affected products
4- cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*Range: >=8.2.1,<8.2.3a
- Brocade/Fabric OSdescription
- Range: <9.0.1a, <8.2.3a
Patches
Vulnerability mechanics
References
2- security.netapp.com/advisory/ntap-20210819-0002/nvdThird Party Advisory
- www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1491nvdVendor Advisory
News mentions
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