CVE-2020-2507
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 · uneditedThe vulnerability have been reported to affect earlier versions of QTS. If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.3.
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 Helpdesk versions prior to 3.0.3 allows remote attackers to execute arbitrary commands on the affected system. The vulnerability stems from insufficient input validation in the Helpdesk component, enabling malicious input to be passed to system command execution.
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< 3.0.3CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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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Verify QNAP QTS is installedAccess the QNAP admin console or check system information to confirm QNAP QTS is running on the device.Affected if QNAP QTS is not present on the system, this CVE does not apply.
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Locate the Helpdesk componentNavigate to the QNAP App Center or list installed applications to find the Helpdesk application. It may be listed as 'Helpdesk' or 'QNAP Helpdesk'.Affected if The Helpdesk application is not installed, this vulnerability does not apply.
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Check Helpdesk versionIn the QNAP App Center, click on the Helpdesk app and view its version information. Alternatively, access the Helpdesk web interface and check the about or settings page for the version number.Affected if The installed Helpdesk version is unknown or cannot be determined, treat it as potentially vulnerable.
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Compare version against vulnerable rangeCompare the installed Helpdesk version to the affected range: versions prior to 3.0.3 are vulnerable. If the version is 3.0.3 or later, the system is not affected by this CVE.Affected if The installed Helpdesk version is lower than 3.0.3, the system is affected by this vulnerability.
A system is affected if QNAP QTS with the Helpdesk component version lower than 3.0.3 is installed and the Helpdesk service is enabled.
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.
dbcve · scoped3.0.3
Upgrade QNAP QTS Helpdesk to version 3.0.3 or later to remediate this vulnerability. If immediate patching is not possible, consider network segmentation or disabling the Helpdesk service if not required.
Helpdesk 3.0.3
- 1. Log into the QNAP NAS admin interface
- 2. Navigate to the Helpdesk application settings
- 3. Check the current Helpdesk version (must be below 3.0.3 to be vulnerable)
- 4. Access the App Center or Helpdesk update mechanism
- 5. Update Helpdesk to version 3.0.3 or later
- 6. Verify the upgrade completed successfully and the version is now 3.0.3 or higher
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation3.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2020-2507 — 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-2020-2507 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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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.
- 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
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