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CVE-2018-11138: Quest KACE System Management Appliance Remote Command Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2018-11138
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Questproduct: KACE System Management ApplianceRemote code execution
What
A remote command execution vulnerability allows anonymous users to execute arbitrary code.
Who is affected
Users of the Quest KACE System Management Appliance.
Urgency
Remediation is critical due to active exploitation and the severity of the vulnerability.
Action
Patch the KACE System Management Appliance to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-25
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-11138

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2018-11138coverage & exploitation statusNVD · CVE.org

Recent advisories for Quest KACE System

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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