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QtsOperating system · Qnap

CVE-2023-41283

HIGH · 7.2 CVSS v3.1 Published 2024-02-02
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
78/100
Remediation priority · High
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute commands via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.4.2596 build 20231128 and later QuTS hero h5.1.4.2596 build 20231128 and later QuTScloud c5.1.5.2651 and later

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

This is an OS command injection vulnerability in QNAP QTS, QuTS hero, and QuTScloud operating systems. The flaw allows authenticated administrators to execute arbitrary operating system commands via network requests, likely due to improper input sanitization in a management interface. The vulnerability has a CVSS score of 7.2 (HIGH), indicating significant potential impact if exploited.

MitigationUpdate affected QNAP devices to the fixed versions (QTS 5.1.4.2596 build 20231128, QuTS hero h5.1.4.2596 build 20231128, or QuTScloud c5.1.5.2651 and later). If immediate patching is not possible, restrict administrative access to trusted IP addresses and disable remote management interfaces where feasible.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
QtsOperating system
Affected:= 5.1.0.2348= 5.1.0.2399= 5.1.0.2418= 5.1.0.2444= 5.1.0.2466= 5.1.1.2491= 5.1.2.2533= 5.1.3.2578= 5.1.4.2596
Quts HeroOperating system
Affected:= h5.1.0.2409= h5.1.0.2424= h5.1.0.2453= h5.1.0.2466= h5.1.1.2488= h5.1.2.2534= h5.1.3.2578= h5.1.4.2596
QutscloudOperating system
Affected:= c5.1.0.2498

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the QNAP product variant
    Access the QNAP admin console or check the system information page to determine if the device is running QTS, QuTS hero, or QuTScloud
    Affected if The device runs QTS, QuTS hero, or QuTScloud and matches the affected version list
  2. Check the installed firmware version
    Navigate to Control Panel > System > Firmware Update or System Settings > About > Firmware version. Compare the displayed version number to the affected versions: QTS 5.1.0.2348 through 5.1.4.2596, QuTS hero h5.1.0.2409 through h5.1.4.2596, or QuTScloud c5.1.0.2498
    Affected if The installed version exactly matches one of the versions listed in the affected products
  3. Verify administrative access method
    Check if the QNAP admin interface (typically ports 8080 or 443) is accessible from the network, and confirm whether administrator accounts exist with permissions to access the management console
    Affected if The management interface is network-accessible and you have administrator credentials
  4. Confirm remote management is enabled
    Review Control Panel > System > General Settings > System Administration to see if remote access or the web server is enabled for external access
    Affected if Remote management or web-based administration is enabled and exposed to network requests

You are affected if your QNAP device runs QTS, QuTS hero, or QuTScloud with a version matching one of the specific builds listed and the admin interface is network-accessible.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Update affected QNAP devices to the fixed versions (QTS 5.1.4.2596 build 20231128, QuTS hero h5.1.4.2596 build 20231128, or QuTScloud c5.1.5.2651 and later). If immediate patching is not possible, restrict administrative access to trusted IP addresses and disable remote management interfaces where feasible.

Recommended fix High confidence

QTS 5.1.4.2596 (build 20231128)+ | QuTS hero h5.1.4.2596 (build 20231128)+ | QuTScloud c5.1.5.2651+

  1. 1. Identify the current QNAP OS version (QTS, QuTS hero, or QuTScloud) running on your device
  2. 2. For QTS users: Upgrade to QTS 5.1.4.2596 (build 20231128) or later
  3. 3. For QuTS hero users: Upgrade to QuTS hero h5.1.4.2596 (build 20231128) or later
  4. 4. For QuTScloud users: Upgrade to QuTScloud c5.1.5.2651 or later
  5. 5. After upgrade, verify the new version is applied and confirm the vulnerability is resolved
Caveat Review QNAP release notes for any configuration or feature changes between your current version and the target fixed version before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Qts Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing2.0 h
  • Review / QA1.0 h
7.0 hours of engineering $1,240
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-41283 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data