# CVE-2018-11138: Quest KACE System Management Appliance Remote Command Execution Vulnerability

> CVE-2018-11138: Quest KACE System Management Appliance Remote Command Execution Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2018-11138
Last updated: 2026-08-13T03:55:32Z

- Published: 2018-05-31 18:00 UTC · Updated: 2026-08-13 03:55 UTC · Assigner: mitre
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 91.7%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-03-25, federal due date 2022-04-15, ransomware use: Known

## Description

The '/common/download\_agent\_installer.php' script in the Quest KACE System Management Appliance 8.0.318 is accessible by anonymous users and can be abused to execute arbitrary commands on the system.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Quest: KACE System Management Appliance

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2018-11138)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2018-11138)
- [https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities](https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities)
- [https://www.exploit-db.com/exploits/44950/](https://www.exploit-db.com/exploits/44950/)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2018-11138 · Markdown: https://rewindex.com/cve/CVE-2018-11138.md · JSON: https://rewindex.com/api/v1/cves/CVE-2018-11138 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:46:48.915Z