CVE-2018-11138
Quest KACE System Management Appliance Remote Command Execution Vulnerability - [Actively Exploited]
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.
INFO
Published Date :
May 31, 2018, 6:29 p.m.
Last Modified :
Oct. 22, 2025, 12:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
The '/common/download_agent_installer.php' script in the Quest KACE System Management Appliance is accessible by anonymous users and can be abused to perform remote code execution.
Apply updates per vendor instructions.
https://nvd.nist.gov/vuln/detail/CVE-2018-11138
Affected Products
The following products are affected by CVE-2018-11138
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Public PoC/Exploit Available at Github
CVE-2018-11138 has a 3 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-11138.
| URL | Resource |
|---|---|
| https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities | Exploit Technical Description Third Party Advisory |
| https://www.exploit-db.com/exploits/44950/ | Exploit Third Party Advisory VDB Entry |
| https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities | Exploit Technical Description Third Party Advisory |
| https://www.exploit-db.com/exploits/44950/ | Exploit Third Party Advisory VDB Entry |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-11138 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-11138 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-11138
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
EPSS & VEDAS Score Aggregator for CVEs
cve vulnerability exploit epss vedas exploit-maturity
Security Consultant
HTML
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-11138 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-11138 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 22, 2025
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-11138 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Removed Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-11138 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 21, 2025
Action Type Old Value New Value Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-11138 -
Modified Analysis by [email protected]
Mar. 14, 2025
Action Type Old Value New Value -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Feb. 07, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-78 -
Modified Analysis by [email protected]
Jan. 23, 2025
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities Added Reference https://www.exploit-db.com/exploits/44950/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-77 CWE-77 CWE-78 -
Modified Analysis by [email protected]
Mar. 29, 2019
Action Type Old Value New Value Changed Reference Type https://www.exploit-db.com/exploits/44950/ No Types Assigned https://www.exploit-db.com/exploits/44950/ Exploit, Third Party Advisory, VDB Entry -
CVE Modified by [email protected]
Jun. 30, 2018
Action Type Old Value New Value Added Reference https://www.exploit-db.com/exploits/44950/ [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 28, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities No Types Assigned https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities Exploit, Technical Description, Third Party Advisory Added CWE CWE-77 Added CPE Configuration OR *cpe:2.3:a:quest:kace_system_management_appliance:8.0.318:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 9.8
Base CVSS Score: 10
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
92.48 }} 0.01%
score
0.99719
percentile