KEV Intelligence

Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2023-47218

QTS, QuTS hero, QuTScloud

QNAP Systems Inc. / QTS · affected before 5.1.5.2645 build 20240116

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Severity
CVSS 5.8 · Medium
Confidence
High
Exploit status
Exploited in the wild
EPSS
89.9%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2023-47218 is an unauthenticated QTS, QuTS hero, QuTScloud. An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.

Who is affected?

QNAP Systems Inc. / QTS affected before 5.1.5.2645 build 20240116.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

An OS command injection vulnerability has been reported to affect several QNAP operating system versions

An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute commands via a network.

We have already fixed the vulnerability in the following versions: QTS 5.1.5.2645 build 20240116 and later QuTS hero h5.1.5.2647 build 20240118 and later QuTScloud c5.1.5.2651 and later

Vendor Product Affected Status
QNAP Systems Inc. QTS Before 5.1.5.2645 build 20240116 Affected
QNAP Systems Inc. QTS 4.x Unaffected
QNAP Systems Inc. QuTS hero Before h5.1.5.2647 build 20240118 Affected
QNAP Systems Inc. QuTS hero h4.x Unaffected
QNAP Systems Inc. QuTScloud Before c5.1.5.2651 Affected
Published
13 Feb 2024
Exploitation Reported
03 Jun 2025
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
None

Tags

nuclei_scanner metasploit

CVE References

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 03 Jun 2025

Independent exploitation attestation added to the KEV Intelligence record.

Proof of concept available

Nuclei Templates

Recorded 28 Apr 2025

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
The Shadowserver First 2025-06-05 09:08 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/qnap_qts_rce_cve_2023_47218.rb 28 Apr 2025
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-47218.yaml 25 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

5.8 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

EPSS

89.9%

Weaknesses

Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-77 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE-78

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

QNAP QTS and QuTS Hero - OS Command Injection

nuclei · Created Unknown

qnap_qts_rce_cve_2023_47218

metasploit · Created Unknown

Metasploit module for CVE-2023-47218

Timeline

From disclosure to observed exploitation

  1. Added to KEV Intelligence KEV Feed

    High-confidence, third-party attested exploitation

  2. Metasploit module available

    Exploit module available

  3. Public PoC available

    Public proof-of-concept code published

  4. Nuclei template available

    Scanner coverage available

  5. CVE published

    Vulnerability disclosed publicly

  6. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2023-47218

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2023-47218",
  "confidence": "High",
  "cvss_score": 5.8,
  "cvss_estimated": false,
  "epss_score": 0.8992,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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