CVE-2023-39294Network attack vector

Authenticated remote command execution

Published Jan 5, 2024 · Updated Sep 4, 2024

OS command injection in QNAP QTS 5.1.x and QuTS hero h5.1.x allows remote authenticated users to execute commands via a network. QNAP has not published the affected component, input, or command-construction operation that fails to neutralize untrusted data. Administrator privileges are required, and successful exploitation permits command execution with effects bounded by the affected service's privileges.

CVSS severity6.6
Medium
EPSS probability1.12%
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 QNAP QTS 5.1.x and QuTS hero h5.1.x allows remote authenticated users to execute commands via a network. QNAP has not published the affected component, input, or command-construction operation that fails to neutralize untrusted data. Administrator privileges are required, and successful exploitation permits command execution with effects bounded by the affected service's privileges.

The record

CVE
CVE-2023-39294
Published
Jan 5, 2024
Updated
Sep 4, 2024
Vendor
Linn Products Limited
Product
QuTS hero
Classifications
CWE-78, CAPEC-88, T1059
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 5, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 4, 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 · QTSversion=5.1.x <5.1.3.2578 build 20231110

Published CVSS scores

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

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')
CAPEC-88OS 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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