CVE-2021-1860 Information

Description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-002 Catalina Security Update 2021-003 Mojave iOS 14.5 and iPadOS 14.5 watchOS 7.4 tvOS 14.5 macOS Big Sur 11.3. A malicious application may be able to disclose kernel memory.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212327 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

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5