A vulnerability was discovered in the Crestron AirMedia Windows Application, version 4.3.1.39, in which a low-privileged user can gain a SYSTEM level command prompt by pre-staging a file structure prior to the installation of a trusted service executable and change permissions on that file structure during a repair operation.
Conclusion & alert: CVE-2022-34100 is rated Moderate Risk (48.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.18%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-04 | 0.27% | 0.18% | -0.09% |
| 2 | 2026-04-03 | 0.22% | 0.27% | +0.04% |
| 3 | 2025-11-21 | — | 0.22% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| URL | Tags |
|---|---|
| https://www.crestron.com/Security/Security_Advisories | Vendor Advisory |
| https://www.crestron.com/release_notes/airmedia_windows_installer_release_notes_5.5.1.84.pdf | Release Notes Vendor Advisory |