Detect Shellcode Injections

1. What actually happened or you saw:
Buffer Overflow protection/Detect Shellcode Injections functionality either has been removed or is missing in recent CIS versions.

2. What you wanted to happen or see:
I wanted this functionality to work.

3. Why you think it is desirable:
Because it looks very unprofessional to have the settings for such functionality being there and doing nothing.

4. Any other information:
Buffer Overflow attacks are still a thing in 2020. Source.