The issue was addressed with improved permissions logic. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A local attacker may be able to elevate their privileges.Referenceshttps://support.apple.com/en-us/HT212325https://support.apple.com/en-us/HT212326https://support.apple.com/en-us/HT212327
