CVE-2018-11138 kev+ ransomware in the critical feed json
The '/common/download_agent_installer.php' script in the Quest KACE System Management Appliance 8.0.318 is accessible by anonymous users an…
published 2018-05-31 8 y ago modified 2026-08-13 2 mo ago also EUVD-2018-3180
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2022-03-25, used in ransomware
- epss
- 91.7%
- EPSS 91.7% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 2
- Metasploit, Exploit-DB, plus a Nuclei check
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.
Patch / fix
cisa required action Apply updates per vendor instructions.
Timeline
- First public exploit (Metasploit exploit/unix/http/quest_kace_systems_management_rce)
- Published
- CISA SSVC: exploitation active
- Added to CISA KEV
- CISA patch deadline
Known exploited
- Added
- 4 y ago
- Patch by
- 2022-04-15 (4 y ago)
- Ransomware
- Known to be used in ransomware campaigns
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Quest, KACE System Management Appliance
- CISA name
- Quest KACE System Management Appliance Remote Command Execution Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- yes
- Technical impact
- total
- Assessed
- 4 y ago
Exploit prediction
91.72% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/unix/http/quest_kace_systems_management_rce Quest KACE Systems Management Command Injection metasploit exploit, excellent rank, 2018-05-31
- EDB-44950 Quest KACE Systems Management - Command Injection (Metasploit) remote, 2018-06-27
- Nuclei template Quest KACE System Management Appliance 8.0.318 - Remote Code Execution nuclei detection template
- coresecurity.com https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
exploit-db.com
/exploits/44950/
exploit, third-party-advisory, vdb-entry
-
coresecurity.com
/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities
exploit, technical-description, third-party-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-11138
government-resource, us-government-resource
Sources
- CVE List CVE-2018-11138
- NVD CVE-2018-11138
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.