What is CVE-2018-11139?

CVE-2018-11139 is a high-severity vulnerability in Quest Kace System Management Appliance, classified under OS Command Injection. CVSS score: 8.8/10. Published 2018-05-31.

How severe is CVE-2018-11139?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2018-11139 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Quest Kace System Management Appliance

CVE-2018-11139

The '/common/ajax_email_connection_test.php' script in the Quest KACE System Management Appliance 8.0.318 is accessible by any authenticated user and can be abused to execute arbitrary commands on the system. This script is vulnerable to command injection via the unsanitized user input 'TEST_SERVER' sent to the script via the POST method.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.775 (99.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/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)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

lean0x2F/lean0x2f.github.io

References

cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-11139?: CVE-2018-11139 is a high-severity vulnerability in Quest Kace System Management Appliance, classified under OS Command Injection. CVSS score: 8.8/10. Published 2018-05-31.
How severe is CVE-2018-11139?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-11139 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.