A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Sonoma 14.5. A local attacker may gain access to Keychain items.
https://support.apple.com/kb/HT214106
https://support.apple.com/en-us/HT214106
http://seclists.org/fulldisclosure/2024/May/12
Source: Mitre, NVD
Published: 2024-05-14
Updated: 2024-07-03
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N
Severity: Low
Base Score: 7.7
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: High