Improper Authentication in macOS - CVE-2020-29633

 

Improper Authentication in macOS - CVE-2020-29633

Published: February 2, 2021


Vulnerability identifier: #VU50219
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-29633
CWE-ID: CWE-287
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests in Login Window component in macOS. A remote attacker on the local network can bypass authentication process and gain unauthorized access to the application.


Affected software

macOS

How to mitigate CVE-2020-29633

Install updates from vendor's website.

macOS - addressed in versions 10.14.6 18G8012, 10.15.7 19H512, 11.2 20D64, 11.1 20C69

External References

Related Security Bulletins