Improper Authentication in macOS - CVE-2021-1769

 

Improper Authentication in macOS - CVE-2021-1769

Published: February 2, 2021


Vulnerability identifier: #VU50230
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-1769
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability description

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.


How to mitigate CVE-2021-1769

Install updates from vendor's website.

Sources