Is CVE-2018-11138 actively exploited?

CVE-2018-11138 has no public evidence of in-the-wild exploitation as of 2025-11-05.

What is the CVSS score for CVE-2018-11138?

CVE-2018-11138 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-11138?

Patch guidance is available from quest security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-11138.

Which products are affected by CVE-2018-11138?

1 product: quest kace system management appliance.

Fix CVE-2018-11138 - CRITICAL

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-78 · OS Command Injection CWE-78 · OS Command Injection

Metadata

Primary Vendor: QUEST
Published: 5/31/2018
Last Modified: 11/5/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2018-11138

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary