When some devices in CA Spectrum are upgraded, the changes are not reflected in CAPM.
For example, updating a Cisco 3750 switch to 3850 or from 2900 to 3650, CAPM doesn't update the change.
CAPM 3.7.x or later
Spectrum 10.4.x or later
There are two points here:
The way to resolve this issue is to do a new discovery in CAPM, to re-discover the device(s) in question
To discover your environment you can setup IP ranges in your discovery profile. Here is documentation on how to set that up: