Improper Authentication in macOS - CVE-2021-1769
Published: February 2, 2021
Vulnerability identifier: #VU50230
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1769
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests within the Swift component in macOS. A local user with arbitrary read and write capability may be able to bypass Pointer Authentication.
Affected software
macOS
iPadOS
Apple iOS
iPadOS
Apple iOS
How to mitigate CVE-2021-1769
Install updates from vendor's website.
macOS - update to 11.2 20D64
iPadOS - update to 14.4 18D52
Apple iOS - update to 14.4 18D52
iPadOS - update to 14.4 18D52
Apple iOS - update to 14.4 18D52