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.

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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...
x_refsource_MISC
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

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