CVE-2018-11189: Quest Disk Backup

High severity, CVSS 8.8. EPSS: 3.3% chance of exploitation in the next 30 days.

Quest DR Series Disk Backup software version before 4.0.3.1 allows privilege escalation (issue 1 of 6).

Affected products

• Quest Disk Backup: before 4.0.3.1 (fixed in 4.0.3.1)

Published 2018-06-02. Last modified 2026-06-17.