This issue was addressed with a new entitlement. This issue is fixed in macOS Catalina 10.15.4. A user may gain access to protected parts of the file system.
https://support.apple.com/kb/HT211100
Source: Mitre, NVD
Published: 2020-10-22
Updated: 2020-10-30
Base Score: 3.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:N
Severity: Low
Base Score: 7.1
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity: High