CVE-2018-11138
Quest KACE System Management Appliance Remote Command Execution Vulnerability
Published May 31, 2018 · updated Aug 12, 2026 · quest kace system management appliance
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.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 31, 2018 · Catalog
Detected
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.
Mar 25, 2022 · CISA KEV
Known exploited
Apply updates per vendor instructions.
Apr 15, 2022 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Aug 12, 2026 · Catalog
Updated
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.
Required action
Apply updates per vendor instructions.
CISA due date Apr 15, 2022
Affected
- cpe quest/kace system management appliance8.0.318
- vendor Quest KACE System Management Applianceversion unspecified
Sources
- CISA KEVConfirmed exploitationCVE-2018-11138
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.
cisa.gov - CVE.orgVulnerability recordCVE-2018-11138
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2018-11138
30-day exploitation probability 91.7%
first.org - Exploit DatabasePublic exploit reference44950
Public archive entry. The exploit body is not stored here.
exploit-db.com - Metasploit ModulesPublic exploit moduleexploit_unix/http/quest_kace_systems_management_rce
Public module reference (excellent). Module source is not copied into this catalog.
rapid7.com - NIST NVDVulnerability recordCVE-2018-11138
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.
nvd.nist.gov