CVE-2021-21529: Dell System Update

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

Dell System Update (DSU) 1.9 and earlier versions contain a denial of service vulnerability. A local authenticated malicious user with low privileges may potentially exploit this vulnerability to cause the system to run out of memory by running multiple instances of the vulnerable application.

Affected products

• Dell System Update: before 1.9 (fixed in 1.9)

Published 2021-04-02. Last modified 2026-06-17.