What’s Vulnerable › Vulnerabilities

CVE-2019-18833

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-12-17 · updated 2026-06-17
• Weakness: CWE-311

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.

Affected products

• Barco Clickshare Button R9861500D01 Firmware: before 1.9.0 — fixed in 1.9.0

How to fix

Upgrade to a fixed version: Barco Clickshare Button R9861500D01 Firmware 1.9.0. Check the vendor advisory for mitigations.

References

• https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/
• https://www.barco.com/en/clickshare/firmware-update
• https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/
• https://www.barco.com/en/clickshare/firmware-update

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