A logic issue was addressed with improved state management. This issue is fixed in iOS 13.4 and iPadOS 13.4, watchOS 6.2. A person with physical access to a locked iOS device may be able to respond to messages even when replies are disabled.
https://support.apple.com/HT211103
https://support.apple.com/HT211102
Source: Mitre, NVD
Published: 2020-04-01
Updated: 2021-07-21
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:N
Severity: Low
Base Score: 2.4
Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N