CVE-2019-18826

Name: CVE-2019-18826
Creator: NVD / NIST
Published: 2019-12-16T17:15:11.877+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2019-18826 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.68%

47.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Barco	Clickshare Cs-100 Firmware	< 1.9.0
Barco	Clickshare Cse-200 Firmware	< 1.9.0
Barco	Clickshare Cse-200\+ Firmware	< 1.9.0
Barco	Clickshare Cse-800 Firmware	< 1.9.0

References

https://www.barco.com/en/clickshare/firmware-updateProduct, Vendor Advisory
https://www.barco.com/en/clickshare/firmware-updateProduct, Vendor Advisory

Timeline

Published: Dec 16, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-18826?

How severe is CVE-2019-18826?

CVE-2019-18826 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2019-18826?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-18826?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST