CVE-2021-1877 Information

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5. A local user may be able to read kernel memory.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212317

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5