[We're working on upgrading from (heavily backported-patched) CAS 6.1 to 
something supported by the OS project. In the meantime....]

We know our CAS 6.1 system is using SpringFramework 5.2.0 but is not 
directly vulnerable to the CVE-2022-22965 (not deployed as a .war in 
Tomcat). Nevertheless, we would like to start testing a SpringFramework 
upgrade to avoid future ways of reaching the vulnerability.

The normal way would be to change our SpringBoot dependency, but CAS6.1 
uses SB2.2.4 and moving it to SB2.5.12 seems like a BIG jump. The 
SpringFramework upgrade from 5.2.0 to 5.2.20 seems preferable given it 
stays within the 5.2 release.

To try to accomplish a SpringFramework upgrade, we've tried 
"springVersion=5.2.20" in gradle.properties, but the resulting project 
still seemed to be using 5.2.0. 

Does anyone have advice on how to proceed?
-Upgrade SpringBoot from 2.2.4 to 2.5.12  (easy to do, worried it isn't 
likely to work)
-Upgrade SpringFramework from 5.2.0 --> 5.2.20 (we don't know how to do 
this)
-Something else?

Thank you,
  Bert Bee-Lindgren

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