Is CVE-2019-18826 in the CISA KEV catalog?

No. CVE-2019-18826 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-18826?

CVE-2019-18826 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-18826?

CVE-2019-18826 has an EPSS score of 0.68% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-18826?

Upgrade clickshare cs-100 firmware to 1.9.0 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2019-18826

CRITICAL

9.8

CVSS v3

NVD

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.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

clickshare cs-100 firmwareNVD

Affected:< 1.9.0Fixed in:1.9.0CVE-2019-18826derived from NVD

clickshare cse-200\+ firmwareNVD

Affected:< 1.9.0Fixed in:1.9.0CVE-2019-18826derived from NVD

clickshare cse-200 firmwareNVD

Affected:< 1.9.0Fixed in:1.9.0CVE-2019-18826derived from NVD

clickshare cse-800 firmwareNVD

Affected:< 1.9.0Fixed in:1.9.0CVE-2019-18826derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.68%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Vendor Advisory1

barco.com

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.