{"id":"CVE-2018-11138","title":"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.","summary":"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.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78","CWE-78"],"vendor":"quest","product":"kace_system_management_appliance","affected":["kace_system_management_appliance = 8.0.318"],"published":"2018-05-31","updated":"2026-08-13","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2018-11138","references":[{"url":"https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities","label":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44950/","label":"cve@mitre.org"},{"url":"https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44950/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-11138","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","kev","in-the-wild","exploit-available"],"epss":0.92061,"epssPercentile":0.99819,"kev":true,"kevDateAdded":"2022-03-25","kevDueDate":"2022-04-15","kevRansomware":true,"exploited":true,"exploitAvailable":true,"ingestedAt":"2026-08-13T06:00:54.328Z","exploits":{"exploitdb":true,"metasploit":["exploit/unix/http/quest_kace_systems_management_rce"],"nuclei":["CVE-2018-11138"],"checkedAt":"2026-09-21T15:23:37.755Z"},"slug":"CVE-2018-11138","body":"## Overview\n\nThe '/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.\n\n## Affected\n\n- `kace_system_management_appliance = 8.0.318`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"hadal","depthScore":100,"depthScoreParts":{"impact":53.9,"likelihood":18.4,"exploitation":25,"ransomware":5},"changes":[]}