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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 42.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 42.41% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- quest/kace system management appliance
- Source
- cve@mitre.org
EPSS moved from 77.5% on 21 September 2026 to 42.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilitiesExploit, Technical Description, Third Party Advisory
- https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilitiesExploit, Technical Description, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.