HOMEVULNERABILITIESCVE-2019-18833
MEDIUM

CVE-2019-18833

CWE-311Published: December 17, 2019· Updated: Jun 17, 2026

5.9
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2019-18833 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.9.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

barco2 product(s)
clickshare button r9861500d01 firmwareclickshare button r9861500d01
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

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

All References (4)

→
https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/Exploit · Third Party Advisory
→
https://www.barco.com/en/clickshare/firmware-updateVendor Advisory
→
https://labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/Exploit · Third Party Advisory
→
https://www.barco.com/en/clickshare/firmware-updateVendor Advisory

Quick Facts

CVE IDCVE-2019-18833
CVSS Score5.9 / 10
SeverityMEDIUM
WeaknessCWE-311
CISA KEVNo
Affected1 vendor(s)
PublishedDec 17, 2019

Related CVEs (CWE-311)

CVE-2018-7498
9.8
CVE-2018-16879
9.8
CVE-2018-20100
9.8
CVE-2020-35168
9.8
CVE-2019-12924
9.8
CVE-2017-9854
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-18833 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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