What’s Vulnerable › Vulnerabilities

CVE-2019-18827

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-16 · updated 2026-06-17
• Weakness: CWE-285

Description

On Barco ClickShare Button R9861500D01 devices (before firmware version 1.9.0) JTAG access is disabled after ROM code execution. This means that JTAG access is possible when the system is running code from ROM before handing control over to embedded firmware.

Affected products

• Barco Clickshare Cs-100 Firmware: before 1.9.0 — fixed in 1.9.0
• Barco Clickshare Cse-200+ Firmware: before 1.9.0 — fixed in 1.9.0
• Barco Clickshare Cse-200 Firmware: before 1.9.0 — fixed in 1.9.0
• Barco Clickshare Cse-800 Firmware: before 1.9.0 — fixed in 1.9.0

How to fix

Upgrade to a fixed version: 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. Check the vendor advisory for mitigations.

References

• https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/
• https://www.barco.com/en/clickshare/firmware-update
• https://www.barco.com/en/support/software/R33050069?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
• https://www.barco.com/en/support/software/R33050070?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
• https://www.barco.com/en/support/software/R33050095?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
• https://www.barco.com/en/support/software/R33050125?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
• https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/
• https://www.barco.com/en/clickshare/firmware-update
• https://www.barco.com/en/support/software/R33050069?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
• https://www.barco.com/en/support/software/R33050070?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
• https://www.barco.com/en/support/software/R33050095?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
• https://www.barco.com/en/support/software/R33050125?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007

Get alerted when CVE-2019-18827 or the next vulnerability affects your stack