{"id":"CVE-2019-18826","aliases":["EUVD-2019-8528","GHSA-hwwp-f5jr-p8g6"],"status":"published","title":"Barco ClickShare Button R9861500D01 devices before 1.9.0 have Improper Following of a Certificate...","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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00678,"percentile":0.52593,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2019-12-16T16:13:09Z","modified":"2026-06-17T02:25:24Z","products":[{"vendor":"barco","product":"clickshare_cs-100_firmware"},{"vendor":"barco","product":"clickshare_cse-200\\+_firmware"},{"vendor":"barco","product":"clickshare_cse-200_firmware"},{"vendor":"barco","product":"clickshare_cse-800_firmware"}],"references":[{"url":"https://www.barco.com/en/clickshare/firmware-update","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18826"},{"url":"https://github.com/advisories/GHSA-hwwp-f5jr-p8g6"}],"sources":{"cve":[{"id":"CVE-2019-18826","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.","status":"published","published":"2019-12-16T16:13:09Z","modified":"2024-08-05T02:02:39.559Z","updated_at":"2026-11-02T14:32:23.803059Z"}],"euvd":[{"id":"EUVD-2019-8528","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.","status":"published","published":"2019-12-16T16:13:09Z","modified":"2024-08-05T02:02:39Z","updated_at":"2026-11-03T02:40:27.303586Z"}],"ghsa":[{"id":"GHSA-hwwp-f5jr-p8g6","title":"Barco ClickShare Button R9861500D01 devices before 1.9.0 have Improper Following of a Certificate...","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.","status":"published","published":"2022-05-24T17:03:43Z","modified":"2023-01-29T05:00:41Z","updated_at":"2026-11-02T14:44:38.905828Z"}],"nvd":[{"id":"CVE-2019-18826","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.","status":"published","published":"2019-12-16T17:15:11.877Z","modified":"2026-06-17T02:25:24.967Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:05:40.258829Z"}]}}