CVE-2023-31430: Broadcom Brocade Fabric Operating System

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A buffer overflow vulnerability in “secpolicydelete” command in Brocade Fabric OS before Brocade Fabric OS v9.1.1c and v9.2.0 could allow an authenticated privileged user to crash the Brocade Fabric OS switch leading to a denial of service.

Affected products

• Broadcom Brocade Fabric Operating System: before 9.1.1c (fixed in 9.1.1c); version 9.2.0 only

Published 2023-08-02. Last modified 2026-06-17.