Apple · Apple Macos · CVE-2021-30731
**Name of the Vulnerable Software and Affected Versions**
macOS versions prior to 11.4
Security Update versions prior to 2021-004 Catalina
**Description**
An unprivileged application may be able to capture USB devices. The issue was addressed with improved checks.
**Recommendations**
For macOS versions prior to 11.4, update to macOS Big Sur 11.4.
For versions that require a Security Update, apply Security Update 2021-004 Catalina.