CVE-2019-18827: barco clickshare_cs-100_firmware Improper Authorization
CVSS: 5.9v3.1MediumModified
Published 16-12-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-18827 is a medium (CVSS 5.9) Improper Authorization vulnerability in barco clickshare_cs-100_firmware. EPSS estimates a 1.35% chance of exploitation in the next 30 days, higher than 71.3% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (NVD)EPSS score
1.35%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-12-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.35%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.35% on 21-09-2026
21-09-202621-10-2026
EPSS score1.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Affected systems
Barco3 products
- clickshare_cs-100_firmware< 1.9.0
- clickshare_cse-200_firmware< 1.9.0
- clickshare_cse-800_firmware< 1.9.0
1 vendor · 3 products
References
6 links- labs.f-secure.com/advisories/multiple-vulnerabilities-in-barco-clickshare/X Refsource MISCThird Party Advisory