CVE-2023-31425: Broadcom Fabric Operating System

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability in the fosexec command of Brocade Fabric OS after Brocade Fabric OS v9.1.0 and, before Brocade Fabric OS v9.1.1 could allow a local authenticated user to perform privilege escalation to root by breaking the rbash shell. Starting with Fabric OS v9.1.0, “root” account access is disabled.

Affected products

• Broadcom Fabric Operating System: version 9.1.0 only

Published 2023-08-01. Last modified 2026-06-17.