Apple · Watchos · CVE-2021-1739
**Name of the Vulnerable Software and Affected Versions**
iOS versions prior to 14.5
iPadOS versions prior to 14.5
tvOS versions prior to 14.5
watchOS versions prior to 7.4
macOS versions prior to 11.3
macOS Catalina versions prior to Security Update 2021-002
macOS Mojave versions prior to Security Update 2021-003
**Description**
The issue is related to incorrect restriction of directory path names with limited access. Exploitation of this issue may allow an attacker to impact the integrity of protected information. A local user may be able to modify protected parts of the file system due to a parsing issue in the handling of directory paths.
**Recommendations**
For iOS versions prior to 14.5, update to iOS 14.5 or later.
For iPadOS versions prior to 14.5, update to iPadOS 14.5 or later.
For tvOS versions prior to 14.5, update to tvOS 14.5 or later.
For watchOS versions prior to 7.4, update to watchOS 7.4 or later.
For macOS Big Sur versions prior to 11.3, update to macOS Big Sur 11.3 or later.
For macOS Catalina versions prior to Security Update 2021-002, apply Security Update 2021-002 or later.
For macOS Mojave versions prior to Security Update 2021-003, apply Security Update 2021-003 or later.