CVE-2023-42935

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-23 · updated 2026-06-17
Weakness: CWE-287

Description

An authentication issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.6.4. A local attacker may be able to view the previous logged in user’s desktop from the fast user switching screen.

Affected products

Apple macOS: from 13.0 before 13.6.4; from 14.0 before 14.1 — fixed in 13.6.4, 14.1

How to fix

Upgrade to a fixed version: Apple macOS 13.6.4, 14.1. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2024/Jan/37
https://support.apple.com/en-us/HT214058
https://support.apple.com/kb/HT213984
http://seclists.org/fulldisclosure/2024/Jan/37
https://support.apple.com/en-us/HT214058
https://support.apple.com/kb/HT213984
https://support.apple.com/kb/HT214058

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