This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. Importing a maliciously crafted calendar invitation may exfiltrate user information.
https://support.apple.com/HT211170
Source: Mitre, NVD
Published: 2020-06-09
Updated: 2021-07-21
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N