CVE-2019-18827 json
On Barco ClickShare Button R9861500D01 devices (before firmware version 1.9.0) JTAG access is disabled after ROM code execution.
published 2019-12-16 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8529
- cvss
- 5.9
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- 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
Exploit prediction
1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Classification
References
-
barco.com
/en/support/software/R33050069?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
product, vendor-advisory
-
barco.com
/en/support/software/R33050125?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
product, vendor-advisory
-
barco.com
/en/support/software/R33050095?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
product, vendor-advisory
-
barco.com
/en/support/software/R33050070?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007
product, vendor-advisory
-
barco.com
/en/clickshare/firmware-update
product
-
labs.f-secure.com
/advisories/multiple-vulnerabilities-in-barco-clickshare/
third-party-advisory
Sources
- CVE List CVE-2019-18827
- NVD CVE-2019-18827
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.