CVE-2021-1815

Name of the Vulnerable Software and Affected Versions macOS versions prior to 11.3 iOS versions prior to 14.5 iPadOS versions prior to 14.5 watchOS versions prior to 7.4 tvOS versions prior to 14.5

Description A parsing issue in the handling of directory paths was addressed with improved path validation. This issue allows a local user to modify protected parts of the file system, potentially leading to privilege escalation. The vulnerability is related to insufficient validation of directory path names with restricted access.

Recommendations For macOS versions prior to 11.3, update to macOS Big Sur 11.3 to resolve the issue. For iOS versions prior to 14.5, update to iOS 14.5 to resolve the issue. For iPadOS versions prior to 14.5, update to iPadOS 14.5 to resolve the issue. For watchOS versions prior to 7.4, update to watchOS 7.4 to resolve the issue. For tvOS versions prior to 14.5, update to tvOS 14.5 to resolve the issue.