CVE-2021-21535: Dell Hybrid Client

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Dell Hybrid Client versions prior to 1.5 contain a missing authentication for a critical function vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to gain root level access to the system.

Affected products

• Dell Hybrid Client: before 1.5 (fixed in 1.5)

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