This issue was addressed with improved checks. This issue is fixed in iOS 14.7. Joining a malicious Wi-Fi network may result in a denial of service or arbitrary code execution.
https://support.apple.com/en-us/HT212601
Source: Mitre, NVD
Published: 2021-09-08
Updated: 2021-09-21
Base Score: 5.8
Vector: CVSS2#AV:A/AC:L/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 8.8
Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: High