CVE-2018-11138The '/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.
Updated under an hour ago ()
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It affects quest kace_system_management_appliance. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Mar 25, 2022; federal agencies had to remediate by Apr 15, 2022, and it is known to be used in ransomware. Treat that date as your deadline.
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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.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Added to CISA KEV Mar 25, 2022; federal remediation due Apr 15, 2022; known ransomware useApply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 91.72% (percentile 100)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Aug 13, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
quest kace_system_management_appliance quest:kace_system_management_appliance | 8.0.318 | NVD |
References
- https://www.exploit-db.com/exploits/44950/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilitiesx-refsource-misc, exploit, technical-description, third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-11138us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.