Steps to check OpenSSL version on Endpoint Protection Manager (SEPM).
SEPM 14.x
Browse to SEPM installation directory via command prompt and run command openssl.exe version
C:\Program Files (x86)\Symantec\Symantec Endpoint Protection Manager\apache\bin>openssl.exe version
OpenSSL 3.1.7 3 Sep 2024 (Library: OpenSSL 3.1.7 3 Sep 2024)