CVE-2023-31927: An information disclosure in the web interface of Brocade Fabric OS

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-08-02 · updated 2026-06-17
Weakness: CWE-200

Description

An information disclosure in the web interface of Brocade Fabric OS versions before Brocade Fabric OS v9.2.0 and v9.1.1c, could allow a remote unauthenticated attacker to get technical details about the web interface.

Affected products

Broadcom Brocade Fabric Operating System: before 9.1.1c — fixed in 9.1.1c

How to fix

Upgrade to a fixed version: Broadcom Brocade Fabric Operating System 9.1.1c. Check the vendor advisory for mitigations.

References

https://security.netapp.com/advisory/ntap-20230908-0007/
https://support.broadcom.com/external/content/SecurityAdvisories/0/22389
https://security.netapp.com/advisory/ntap-20230908-0007/
https://support.broadcom.com/external/content/SecurityAdvisories/0/22389

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