Authentication Bypass in Brocade Fabric OS by Broadcom
CVE-2021-27791

5.4MEDIUM

Key Information:

Vendor

Broadcom
Status
Brocade Fabric Os
Vendor
CVE Published:
12 August 2021

What is CVE-2021-27791?

A vulnerability exists in the way Brocade Fabric OS Web application service processes the Authentication header before versions v9.0.1a and v8.2.3a. An attacker exploiting this flaw could send a malformed authentication header, allowing them to read memory addresses beyond the intended range. This could facilitate access to the system without proper authentication, posing significant security risks.

Affected Version(s)

Brocade Fabric OS Brocade Fabric OS before Brocade Fabric OS v9.0.1a and v8.2.3a

References

https://www.broadcom.com/support/fibre-channel-networking...
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https://security.netapp.com/advisory/ntap-20210819-0002/
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CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.