Barco ClickShare Devices Improper Authorization (CVE-2019-18827)

medium Tenable OT Security Plugin ID 503358

Synopsis

The remote OT asset is affected by a vulnerability.

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.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

http://www.nessus.org/u?c52e85b9

https://www.barco.com/en/clickshare/firmware-update

http://www.nessus.org/u?946efa15

http://www.nessus.org/u?25dcdea6

http://www.nessus.org/u?5ca5c22e

http://www.nessus.org/u?edaedcdc

Plugin Details

Severity: Medium

ID: 503358

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 10/9/2025

Updated: 10/9/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2019-18827

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Vulnerability Information

CPE: cpe:/o:barco:clickshare_cse-200%2b_firmware, cpe:/o:barco:clickshare_cs-100_firmware, cpe:/o:barco:clickshare_cse-200_firmware, cpe:/o:barco:clickshare_cse-800_firmware

Required KB Items: Tenable.ot/Barco

Exploit Ease: No known exploits are available

Patch Publication Date: 12/16/2019

Vulnerability Publication Date: 12/16/2019

Reference Information

CVE: CVE-2019-18827

CWE: 285, 362