This issue was addressed with improved checks. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.
https://support.apple.com/kb/HT209106
https://support.apple.com/kb/HT209107
https://support.apple.com/kb/HT209108
Source: MITRE
Published: 2019-04-03
Updated: 2019-04-08
Type: CWE-20
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM