Critical severity · published Dec 16, 2019
CVE-2019-18826
Barco ClickShare Button R9861500D01 devices before 1.9.0 have Improper Following of a Certificate's Chain of Trust
9.8
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Clickshare Cs-100 Firmware · Barco
before 1.9.0 · source: NVD
CC
Clickshare Cse-200 Firmware · Barco
before 1.9.0 · source: NVD
CC
Clickshare Cse-200+ Firmware · Barco
before 1.9.0 · source: NVD
CC
Clickshare Cse-800 Firmware · Barco
before 1.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-18826
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-18826
Product
https://www.barco.com/en/clickshare/firmware-update
More from Clickshare Cs-100 Firmware
9.8
CVE-2019-18830
Barco ClickShare Button R9861500D01 devices before 1.9.0 allow OS Command Injection
7.5
CVE-2018-10943
An issue was discovered on Barco ClickShare CSE-200 and CS-100 Base Units with firmware before 1.6.0.3
6.8
CVE-2019-18828
Barco ClickShare Button R9861500D01 devices before 1.9.0 have Insufficiently Protected Credentials
5.9
CVE-2019-18827
On Barco ClickShare Button R9861500D01 devices (before firmware version 1.9.0) JTAG access is disabled after ROM code execution
5.3
CVE-2019-18831
Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information Exposure