Apple · Macos Mojave · CVE-2020-9978
**Name of the Vulnerable Software and Affected Versions**
macOS Big Sur versions prior to 11.0.1
macOS Big Sur versions prior to 11.1
tvOS versions prior to 14.0
macOS Catalina versions prior to Security Update 2020-001
macOS Mojave versions prior to Security Update 2020-007
watchOS versions prior to 7.0
iOS versions prior to 14.0
iPadOS versions prior to 14.0
**Description**
This issue was addressed with improved setting propagation. An attacker in a privileged network position may be able to unexpectedly alter application state.
**Recommendations**
For macOS Big Sur versions prior to 11.0.1, update to macOS Big Sur 11.0.1 or later.
For macOS Big Sur versions prior to 11.1, update to macOS Big Sur 11.1 or later.
For tvOS versions prior to 14.0, update to tvOS 14.0 or later.
For macOS Catalina versions prior to Security Update 2020-001, apply Security Update 2020-001 or later.
For macOS Mojave versions prior to Security Update 2020-007, apply Security Update 2020-007 or later.
For watchOS versions prior to 7.0, update to watchOS 7.0 or later.
For iOS versions prior to 14.0, update to iOS 14.0 or later.
For iPadOS versions prior to 14.0, update to iPadOS 14.0 or later.