CVE-2021-27798: Broadcom Fabric Operating System

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability in Brocade Fabric OS versions 7.4.1b and 7.3.1d could allow local users to conduct privileged directory transversal. Brocade Fabric OS versions 7.4.1.x and 7.3.x have reached end of life. Brocade Fabric OS Users should upgrade to supported versions as described in the Product End-of-Life published report.

Affected products

• Broadcom Fabric Operating System: version 7.3.1d only; version 7.4.1b only

Published 2022-08-05. Last modified 2026-06-17.