RCE in Quest Kace_system_management_appliance
CVE-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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.919 (99.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Quest Kace_system_management_appliance — versions 8.0.318
- N/a — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2018-11138?
- CVE-2018-11138 is a critical-severity vulnerability in Quest Kace_system_management_appliance, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-05-31.
- How severe is CVE-2018-11138?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-11138 known to be exploited?
- Yes. CVE-2018-11138 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.