A validation issue was addressed with improved logic. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A malicious application may be able to send unauthorized Apple events to Finder.
https://support.apple.com/en-us/HT212530
https://support.apple.com/en-us/HT212529
Source: Mitre, NVD
Published: 2021-09-08
Updated: 2021-09-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 3.3
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Severity: Low