CVE-2019-18827
On Barco ClickShare Button R9861500D01 devices (before firmware version 1.9.0) JTAG access is...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.9
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.
- Record
CVE-2019-18827- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-285, CWE-362
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-18827- Updated
- 2026-11-02
EUVDEUVD-2019-8529 No score
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.
- Record
EUVD-2019-8529- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-56mr-9636-w954 No score
On Barco ClickShare Button R9861500D01 devices (before firmware version 1.9.0) JTAG access is...
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.
- Record
GHSA-56mr-9636-w954- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-18827 is a medium vulnerability (CVSS 5.9) in Barco Clickshare Cs-100 Firmware, published December 16, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.35%, the 71st percentile. No source names a fixed version.
References
barco.com/en/clickshare/firmware-update
labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare
barco.com/en/support/software/R33050069?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
barco.com/en/support/software/R33050125?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
barco.com/en/support/software/R33050095?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
barco.com/en/support/software/R33050070?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
nvd.nist.gov/vuln/detail/CVE-2019-18827
github.com/advisories/GHSA-56mr-9636-w954