March 25, 2022 · Applied Cybernetics Group
CVE-2018-11138 — Quest KACE System Management Appliance
known ransomware use
Quest KACE System Management Appliance Remote Command Execution Vulnerability
- Added to KEV
2022-03-25- Federal due date
2022-04-15- Vendor
- Quest
- Product
- KACE System Management Appliance
- EPSS
- 99.8th percentile (score 0.934, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2018-11138
CISA short description
The '/common/download_agent_installer.php' script in the Quest KACE System Management Appliance is accessible by anonymous users and can be abused to perform remote code execution.
Required action
Apply updates per vendor instructions.