CVE-2021-1740 Information

Description

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in Security Update 2021-002 Catalina iOS 14.5 and iPadOS 14.5 watchOS 7.4 tvOS 14.5 macOS Big Sur 11.3. A local user may be able to modify protected parts of the file system.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Reference

https://support.apple.com/en-us/HT212317 https://support.apple.com/en-us/HT212325 https://support.apple.com/en-us/HT212326 https://support.apple.com/en-us/HT212323 https://support.apple.com/en-us/HT212324

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.5