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9.8
CVSS
Critical

CVE-2018-11138

PUBLISHED

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...

Exploited in the wild Used in malware Remote Low complexity No user interaction
Vendor
Quest
Product
KACE System Management Appliance
Published
May 31, 2018
EPSS
—

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.

php cisa malware ransomware nuclei_scanner metasploit

CVSS scores

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 10.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitation status

Exploited in the wild

Recorded 2022-03-25 00:00:00 UTC · Source

Used in malware

Recorded 2022-03-25 00:00:00 UTC · Source

SSVC decision points

Exploitation
active
Automatable
Yes
Technical impact
total

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source Added
CISA Mar 25, 2022

Scanner integrations

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2018/CVE-2018-11138.yaml Jun 01, 2026
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/http/quest_kace_systems_management_rce.rb Apr 28, 2025

Potential proof of concepts

These PoCs are unverified and could contain malware. Use at your own risk.

quest_kace_systems_management_rce

metasploit · Created Unknown

Metasploit module for CVE-2018-11138

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Exploit Used in Malware

  • Added to KEVIntel

  • Detected by Metasploit

  • Detected by Nuclei