Barco ClickShare CX-20 Gen2 Wallpaper Upload wallpaper improper validation of syntactic correctness of input
Summary
| CVE | CVE-2026-100902 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-28 04:16:56 UTC |
| Updated | 2026-09-28 19:16:46 UTC |
| Description | A vulnerability was determined in Barco ClickShare CX-20 Gen2 up to 02.26.00.0007. Affected by this issue is some unknown functionality of the file /wallpaper of the component Wallpaper Upload. This manipulation of the argument wallpaper causes improper validation of syntactic correctness of input. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way. |
Risk And Classification
Primary CVSS: v4.0 5.7 MEDIUM from [email protected]
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.003340000 probability, percentile 0.242650000 (date 2026-09-29)
Problem Types: CWE-20 | CWE-1286 | CWE-1286 Improper Validation of Syntactic Correctness of Input | CWE-20 Improper Input Validation
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 5.7 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/C... |
| 4.0 | CNA | DECLARED | 7.1 | HIGH | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P |
| 3.1 | [email protected] | Secondary | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | CNA | DECLARED | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:T/RC:R |
| 3.0 | CNA | DECLARED | 6.5 | MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:T/RC:R |
| 2.0 | [email protected] | Secondary | 6.8 | AV:N/AC:L/Au:S/C:N/I:N/A:C | |
| 2.0 | CNA | DECLARED | 6.8 | AV:N/AC:L/Au:S/C:N/I:N/A:C/E:POC/RL:TF/RC:UR |
CVSS v4.0 Breakdown
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v3.0 Breakdown
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:T/RC:R
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Barco | ClickShare CX-20 Gen2 | affected 02.26.00.0007 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| vuldb.com/submit/919384 | [email protected] | vuldb.com | |
| vuldb.com/cve/CVE-2026-100902 | [email protected] | vuldb.com | |
| vuldb.com/vuln/410852/cti | [email protected] | vuldb.com | |
| vuldb.com/vuln/410852 | [email protected] | vuldb.com | |
| github.com/0xWKZER/-security-disclosures/blob/main/Barco001.md | [email protected] | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Abdullah Altamimi (en)
CNA: WKZER (VulDB User) (en)
CNA: WKZER (VulDB User) (en)
CNA: VulDB CNA Team (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-09-27T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-09-27T02:00:00.000Z | VulDB entry created |
| CNA | 2026-09-28T20:40:04.000Z | VulDB entry last update |