CVE-2020-2508
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 · uneditedA command injection vulnerability has been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. QNAP have already fixed this vulnerability in the following versions: QTS 4.5.1.1456 build 20201015 (and later) QuTS hero h4.5.1.1472 build 20201031 (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 confidenceA command injection vulnerability in QNAP QTS and QuTS hero NAS firmware allows authenticated attackers to execute arbitrary commands through a compromised application. This high-severity (CVSS 7.2) vulnerability was patched in QTS 4.5.1.1456 build 20201015 and QuTS hero h4.5.1.1472 build 20201031.
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< 4.5.1.1456< h4.5.1.1472CVSS 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 checksWork through these to decide whether this CVE applies to you.
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Identify QNAP firmware typeLog into the QNAP device and navigate to Control Panel > System > Firmware Update, or run `cat /proc/version` or check the login page banner to determine if the system runs QTS or QuTS hero.Affected if The device is running either QTS or QuTS hero firmware.
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Check QTS version numberIn QTS, go to Control Panel > System > Firmware Update > Firmware Information, or access the admin web interface and locate the version displayed. The version format is typically 4.5.x.x with a build date.Affected if The QTS version is lower than 4.5.1.1456 (build 20201015).
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Check QuTS hero version numberIn QuTS hero, go to Control Panel > System > Firmware Update > Firmware Information, or check the admin interface for the version. The version format is typically h4.5.x.x with a build date.Affected if The QuTS hero version is lower than h4.5.1.1472 (build 20201031).
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Verify authentication exposureReview network access controls: check if the QNAP admin web interface (ports 8080/443) is exposed to untrusted networks, and verify that user accounts with administrative privileges exist on the system.Affected if The admin interface is accessible from untrusted networks or there are user accounts that could be compromised.
The environment is affected if the device runs QTS version below 4.5.1.1456 or QuTS hero version below h4.5.1.1472 AND the admin interface is accessible to attackers who could obtain valid credentials.
Generated from the published advisory. Verify against your own configuration.
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.
From vendor data4.5.1.1456
Upgrade affected QNAP devices to QTS 4.5.1.1456 (or later) / QuTS hero h4.5.1.1472 (or later). If immediate patching is not feasible, restrict administrative access to trusted networks and disable unused management interfaces.
- Consultation4.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-2508 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2020-2508 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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