What is CVE-2019-18831?

CVE-2019-18831 is a medium-severity vulnerability in Barco Clickshare Cs-100, classified under Use of Hard-coded Credentials. CVSS score: 5.3/10. Published 2019-12-16.

How severe is CVE-2019-18831?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Barco Clickshare Cs-100

CVE-2019-18831

Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information Exposure. The encrypted ClickShare Button firmware contains the private key of a test device-certificate.

Published 2019-12-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (44.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.barco.com/en/clickshare/firmware-update (Vendor Advisory)
labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/ (Third Party Advisory)
www.barco.com/en/support/software/R33050069 (Product)
www.barco.com/en/support/software/R33050125 (Product, Vendor Advisory)
www.barco.com/en/support/software/R33050095 (Product, Vendor Advisory)
www.barco.com/en/support/software/R33050070 (Product, Vendor Advisory)

Frequently asked questions

What is CVE-2019-18831?: CVE-2019-18831 is a medium-severity vulnerability in Barco Clickshare Cs-100, classified under Use of Hard-coded Credentials. CVSS score: 5.3/10. Published 2019-12-16.
How severe is CVE-2019-18831?: Medium severity. CVSS v3 base score is 5.3 out of 10.