What is the CVSS score of CVE-2019-18827?

CVE-2019-18827 has a CVSS 3.1 base score of 5.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.4%.

Clickshare Cse 200 Firmware CVE-2019-18827

MEDIUM

Improper Authorization (CWE-285)

2019-12-16 cve@mitre.org

Authentication Bypass RCE Clickshare Cse 200 Firmware Clickshare Cs 100 Firmware Clickshare Cse 800 Firmware Barco

5.9

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-285 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Authorization verification MITRE ATT&CK 1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 5.9 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 1.4% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

On Barco ClickShare Button R9861500D01 devices (before firmware version 1.9.0) JTAG access is disabled after ROM code execution. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-285. 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. Affected products include: Barco Clickshare Cs-100 Firmware, Barco Clickshare Cse-200 Firmware, Barco Clickshare Cse-200\+ Firmware, Barco Clickshare Cse-800 Firmware. Version information: version 1.9.0.

Know when Clickshare Cse 200 Firmware gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 5.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score

1.4%

Top 32% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 1.4%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +30

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:o:barco:clickshare_cs-100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:barco:clickshare_cse-200_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:barco:clickshare_cse-200\+_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:barco:clickshare_cse-800_firmware:*:*:*:*:*:*:*:*

More in Clickshare Cse 200 Firmware

View all

CVE-2019-18825 HIGH This Week POC

7.5 Dec 17

Barco ClickShare Huddle CS-100 devices before 1.9.0 and CSE-200 devices before 1.9.0 have incorrect Credentials Manageme

CVE-2019-18830 CRITICAL Act Now

9.8 Dec 16

Barco ClickShare Button R9861500D01 devices before 1.9.0 allow OS Command Injection. Rated critical severity (CVSS 9.8),

CVE-2019-18826 CRITICAL Act Now

9.8 Dec 16

Barco ClickShare Button R9861500D01 devices before 1.9.0 have Improper Following of a Certificate's Chain of Trust. Rate

CVE-2016-3151 HIGH This Week

7.5 Jan 12

Directory traversal vulnerability in the wallpaper parsing functionality in Barco ClickShare CSC-1 devices with firmware

CVE-2018-10943 HIGH This Week

7.5 Jul 10

An issue was discovered on Barco ClickShare CSE-200 and CS-100 Base Units with firmware before 1.6.0.3. Rated high sever

CVE-2019-18828 MEDIUM This Month

6.8 Dec 16

Barco ClickShare Button R9861500D01 devices before 1.9.0 have Insufficiently Protected Credentials. Rated medium severit

CVE-2016-3150 MEDIUM This Month

6.1 Jan 12

Cross-site scripting (XSS) vulnerability in wallpaper.php in the Base Unit in Barco ClickShare CSC-1 devices with firmwa

CVE-2019-18831 MEDIUM This Month

5.3 Dec 16

Barco ClickShare Button R9861500D01 devices before 1.9.0 allow Information Exposure. Rated medium severity (CVSS 5.3), t

Same weakness CWE-285 – Improper Authorization

View all

CVE-2025-29927 CRITICAL POC

9.1

CVE-2016-5676 HIGH POC

7.5

CVE-2026-58704 HIGH POC

8.8

CVE-2025-66301 HIGH POC

8.6

CVE-2023-32707 HIGH POC

8.8

CVE-2016-3352 HIGH

8.8

CVE-2025-29659 CRITICAL POC

9.8

CVE-2022-2595 CRITICAL POC

10.0

Same technique Authentication Bypass

View all

CVE-2015-3306 CRITICAL POC

10.0

CVE-2023-22515 CRITICAL POC

9.8

CVE-2012-4681 CRITICAL POC

9.8

CVE-2013-2465 CRITICAL POC

9.8

CVE-2011-3544 CRITICAL POC

9.8

CVE-2022-40684 CRITICAL POC

9.8

CVE-2025-61882 CRITICAL POC

9.8

CVE-2024-0012 CRITICAL POC

9.3

References

Advisories & patches

ADVISORY https://www.barco.com/en/support/software/R33050069?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 ADVISORY https://www.barco.com/en/support/software/R33050070?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 ADVISORY https://www.barco.com/en/support/software/R33050095?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 ADVISORY https://www.barco.com/en/support/software/R33050125?majorVersion=01&minorVersion=09&patchVersion=01&buildVersion=007 REF https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/ REF https://www.barco.com/en/clickshare/firmware-update

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back