CVE-2023-39302Network attack vector

Administrator command execution via undisclosed injection path

Published Feb 2, 2024 · Updated Aug 29, 2024

OS command injection in QTS 5.1.x, QuTS hero h5.1.x, and QuTScloud c5.x allows remote authenticated users to execute commands. QNAP has not published the affected component, command-building operation, or untrusted parameter. Administrator access to the network management interface is required, and successful exploitation runs commands with the vulnerable service's privileges.

CVSS severity6.6
Medium
EPSS probability1.07%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in QTS 5.1.x, QuTS hero h5.1.x, and QuTScloud c5.x allows remote authenticated users to execute commands. QNAP has not published the affected component, command-building operation, or untrusted parameter. Administrator access to the network management interface is required, and successful exploitation runs commands with the vulnerable service's privileges.

The record

CVE
CVE-2023-39302
Published
Feb 2, 2024
Updated
Aug 29, 2024
Vendor
Linn Products Limited
Product
QuTS hero
Classifications
CWE-78, T1059
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Feb 2, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 29, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=h5.1.x <h5.1.3.2578 build 20231110

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Linn Products Limited · QuTS heroversion=h5.1.x <h5.1.3.2578 build 20231110
Linn Products Limited · QuTScloudversion=c5.x.x <c5.1.5.2651
Linn Products Limited · QTSversion=5.1.x <5.1.3.2578 build 20231110

Published CVSS scores

7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.6QNAP Systems, Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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