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…
- 9.8CriticalCVSS base score
- 91.6%Exploitation in 30 daysEPSS · top 0.2% of all CVEs
- YesKnown exploitedin CISA's KEV since 25 Mar 2022
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Quest KACE System Management Appliance Remote Command Execution Vulnerability.
- Added
- 25 Mar 2022
- Fix due (US federal)
- 15 Apr 2022
- Used by ransomware
- Known
Apply updates per vendor instructions.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 25 Mar 2022.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module, a Nuclei template and an Exploit-DB entry for it. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits4
Metasploit modules1 module
- Quest KACE Systems Management Command Injection (Metasploit module) (opens in a new tab)
exploit/unix/http/quest_kace_systems_management_rceRank excellentdisclosed 31 May 2018
Nuclei templates1 template
- Quest KACE System Management Appliance 8.0.318 - Remote Code Execution (Nuclei template) (opens in a new tab)
http/cves/2018/CVE-2018-11138.yamlSeverity critical
Exploit-DB1 entry
- Quest KACE Systems Management - Command Injection (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 44950remote, unixpublished 27 Jun 2018Verified
References tagged exploit1 reference
- 44950 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 16 days later
· 16 days later
Published
- 4 years later
· 4 years later
Added to CISA KEV
Known exploited, also by ransomware
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 91.6% · top 0.2% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
n/a
- affected n/a
References
References3
- 44950 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-11138 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-3180 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-11138)Record last updated .