CVE-2019-18826
CRITICAL
9.8
CVSS Score
Published: December 16, 2019 at 04:13 PM UTC
Updated: June 17, 2026 at 02:25 AM UTC
6 products affected across 1 vendorClickshare Cse 200+ FirmwareClickshare Cs 100 FirmwareClickshare Cse 800 Firmware
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Severity
CRITICAL9.8
Exploit prediction
EPSS 0.7%
Description
Barco ClickShare Button R9861500D01 devices before 1.9.0 have Improper Following of a Certificate's Chain of Trust. The embedded 'dongle_bridge' program used to expose the functionalities of the ClickShare Button to a USB host, does not properly validate the whole certificate chain.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.9.0
Affected range stops below 1.9.0, so it looks safe — our inference, not a vendor statement
barco-clickshare-cs-100 (same device)
v < 1.9.0
Affected range stops below 1.9.0, so it looks safe — our inference, not a vendor statement
barco-clickshare-cse-200 (same device)
v < 1.9.0
Affected range stops below 1.9.0, so it looks safe — our inference, not a vendor statement
barco-clickshare-cse-800 (same device)
Clickshare Cs-100· Barcodevice
80%All versions
80%
All versions
80%
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCProductVendor Advisory
Source: [email protected]
https://www.barco.com/en/clickshare/firmware-updateCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-295
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