CVE-2021-21589: Dell Emc Unity Operating Environment

Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days.

Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.1.0.0.5.394 do not exit on failed Initialization. A local authenticated Service user could potentially exploit this vulnerability to escalate privileges.

Affected products

• Dell Emc Unity Operating Environment: before 5.1.0.0.5.394 (fixed in 5.1.0.0.5.394)
• Dell Emc Unity Xt Operating Environment: before 5.1.0.0.5.394 (fixed in 5.1.0.0.5.394)
• Dell Emc Unityvsa Operating Environment: before 5.1.0.0.5.394 (fixed in 5.1.0.0.5.394)

Published 2021-07-12. Last modified 2026-06-17.