A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. A sandboxed process may be able to circumvent sandbox restrictions.
Source: MITRE
Published: 2021-04-02
Updated: 2021-04-07
Type: CWE-863
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 6.3
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
Impact Score: 4
Exploitability Score: 1.8
Severity: MEDIUM