A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1. A sandboxed process may be able to circumvent sandbox restrictions.
http://seclists.org/fulldisclosure/2020/Dec/32
http://seclists.org/fulldisclosure/2020/Dec/26
https://support.apple.com/kb/HT212011
https://support.apple.com/en-us/HT211931
Source: Mitre, NVD
Published: 2020-12-08
Updated: 2022-10-14
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS: 0.0043