CVE-2021-21531: Dell Powermax OS

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Dell Unisphere for PowerMax versions prior to 9.2.1.6 contain an Authorization Bypass Vulnerability. A local authenticated malicious user with monitor role may exploit this vulnerability to perform unauthorized actions.

Affected products

• Dell Powermax OS: version 5978 only
• Dell Solutions Enabler: before 9.1.0.15 (fixed in 9.1.0.15); from 9.2.0, before 9.2.1.6 (fixed in 9.2.1.6)
• Dell Solutions Enabler Virtual Appliance: before 9.1.0.15 (fixed in 9.1.0.15); from 9.2.0, before 9.2.1.1 (fixed in 9.2.1.1)
• Dell Unisphere For Powermax: before 9.1.0.26 (fixed in 9.1.0.26); from 9.2.1.0, up to and including 9.2.1.6
• Dell Unisphere For Powermax Virtual Appliance: before 9.1.0.26 (fixed in 9.1.0.26); from 9.2.1.0, before 9.2.1.6 (fixed in 9.2.1.6)

Published 2021-04-30. Last modified 2026-06-17.