CVE-2019-18828
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 · uneditedBarco ClickShare Button R9861500D01 devices before 1.9.0 have Insufficiently Protected Credentials. The root account (present for access via debug interfaces, which are by default not enabled on production devices) of the embedded Linux on the ClickShare Button is using a weak password.
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 confidenceBarco ClickShare Button R9861500D01 devices before version 1.9.0 have a weak password set for the root account on the embedded Linux OS. This root account is intended only for debug interface access, which is disabled by default on production devices, but if enabled or accessed through other means, an attacker with the weak credentials could gain full root access to the device.
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< 1.9.0< 1.9.0< 1.9.0< 1.9.0CVSS 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
- Physical
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:P/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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Identify the ClickShare device modelLocate the device label or access the admin web interface to determine if the unit is a Barco ClickShare CS-100, CSE-200, CSE-200+, or CSE-800 model. Note the exact model number printed on the physical device.Affected if The device is any of the four listed models (CS-100, CSE-200, CSE-200+, CSE-800).
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Check the installed firmware versionLog into the ClickShare admin web interface (typically via IP address), navigate to the system info or settings page, and record the firmware version number displayed. Compare this version to the 1.9.0 threshold.Affected if The firmware version shown is less than 1.9.0 (for example, 1.8.x, 1.7.x, etc.).
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Verify if debug interface is accessibleAttempt to connect to the device on common debug ports using network scanning tools: try SSH (port 22) and Telnet (port 23) against the device IP address. Also check if the device responds to these protocols.Affected if SSH or Telnet service is detected as open and responding on the device.
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Check admin interface for debug settingsWithin the ClickShare admin web interface, look for diagnostic, maintenance, or debug-related settings pages. Search for options labeled 'debug mode', 'diagnostic port', 'root access', or similar that may indicate whether debug interfaces are enabled.Affected if Debug or diagnostic interfaces are found to be enabled in the admin settings.
A user is affected if they own a CS-100, CSE-200, CSE-200+, or CSE-800 device running firmware below version 1.9.0 AND the debug/root interface is either enabled on their network or accessible through other means.
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 data1.9.0
Update the ClickShare Button firmware to version 1.9.0 or later to receive the password fix. Ensure debug interfaces remain disabled on production devices unless absolutely necessary and properly secured.
- Consultation1.0 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-2019-18828 — 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-2019-18828 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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- 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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