CVE-2020-15387: Broadcom Brocade Sannav

High severity, CVSS 7.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The host SSH servers of Brocade Fabric OS before Brocade Fabric OS v7.4.2h, v8.2.1c, v8.2.2, v9.0.0, and Brocade SANnav before v2.1.1 utilize keys of less than 2048 bits, which may be vulnerable to man-in-the-middle attacks and/or insecure SSH communications.

Affected products

• Broadcom Brocade Sannav: before 2.1.1 (fixed in 2.1.1)
• Broadcom Fabric Operating System: before 7.4.2 (fixed in 7.4.2); from 8.2.0, before 8.2.1 (fixed in 8.2.1); version 7.4.2 only; version 7.4.2a only; version 7.4.2b only; version 7.4.2c only; …

Published 2021-06-09. Last modified 2026-06-17.