CVE-2021-32088: Quest KACE Systems Management Appliance

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue was discovered in Quest KACE Systems Deployment Appliance (SMA) 11.0.273. Certain API endpoints contain a rate-limiting feature to minimize a brute-force attack. This protection can be bypassed by removing the kboxid cookie.

Affected products

• Quest KACE Systems Management Appliance: version 11.0.273 only

Published 2026-07-27. Last modified 2026-08-03.