{"id":"CVE-2019-18833","aliases":["EUVD-2019-8535","GHSA-q859-mjw3-4xvp"],"status":"published","title":"Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information exposure (issue 2 of 2...","description":"Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information exposure (issue 2 of 2).. The encryption key of the media content which is shared between a ClickShare Button and a ClickShare Base Unit is randomly generated for each new session and communicated over a TLS connection. An attacker who is able to perform a Man-in-the-Middle attack between the TLS connection, is able to obtain the encryption key.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00365,"percentile":0.30545,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-311"],"published":"2019-12-17T13:53:06Z","modified":"2026-06-17T02:25:25Z","products":[{"vendor":"barco","product":"clickshare_button_r9861500d01_firmware"}],"references":[{"url":"https://www.barco.com/en/clickshare/firmware-update","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18833"},{"url":"https://github.com/advisories/GHSA-q859-mjw3-4xvp"}],"sources":{"cve":[{"id":"CVE-2019-18833","description":"Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information exposure (issue 2 of 2).. The encryption key of the media content which is shared between a ClickShare Button and a ClickShare Base Unit is randomly generated for each new session and communicated over a TLS connection. An attacker who is able to perform a Man-in-the-Middle attack between the TLS connection, is able to obtain the encryption key.","status":"published","published":"2019-12-17T13:53:06Z","modified":"2024-08-05T02:02:39.786Z","updated_at":"2026-11-02T14:32:23.803059Z"}],"euvd":[{"id":"EUVD-2019-8535","description":"Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information exposure (issue 2 of 2).. The encryption key of the media content which is shared between a ClickShare Button and a ClickShare Base Unit is randomly generated for each new session and communicated over a TLS connection. An attacker who is able to perform a Man-in-the-Middle attack between the TLS connection, is able to obtain the encryption key.","status":"published","published":"2019-12-17T13:53:06Z","modified":"2024-08-05T02:02:39Z","updated_at":"2026-11-03T02:40:27.303586Z"}],"ghsa":[{"id":"GHSA-q859-mjw3-4xvp","title":"Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information exposure (issue 2 of 2...","description":"Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information exposure (issue 2 of 2).. The encryption key of the media content which is shared between a ClickShare Button and a ClickShare Base Unit is randomly generated for each new session and communicated over a TLS connection. An attacker who is able to perform a Man-in-the-Middle attack between the TLS connection, is able to obtain the encryption key.","status":"published","published":"2022-05-24T17:03:50Z","modified":"2023-01-29T05:00:43Z","updated_at":"2026-11-02T14:44:38.905828Z"}],"nvd":[{"id":"CVE-2019-18833","description":"Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information exposure (issue 2 of 2).. The encryption key of the media content which is shared between a ClickShare Button and a ClickShare Base Unit is randomly generated for each new session and communicated over a TLS connection. An attacker who is able to perform a Man-in-the-Middle attack between the TLS connection, is able to obtain the encryption key.","status":"published","published":"2019-12-17T14:15:18.03Z","modified":"2026-06-17T02:25:25.943Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-311"],"updated_at":"2026-11-02T14:05:40.258829Z"}]}}