The java certificate needed to open the SMF package Importer (Manage -> Software -> Edit software resource -> Add package) will expire on the 30th of November 2014 23:59 GMT +0
The information about the certificate can be observed in Control Panel -> Java -> Security tab -> Manage Certificates -> choose : Symantec Corporation (under 'Issued To' column) -> Validity ...
The validity shows :
[From: Wed Oct 03 02:00:00 GMT+02:00 2012,
To: Mon Dec 01 01:59:59 GMT+02:00 2014]
The issue has been addressed by the Symantec Development team. See Release Notes for ITMS 7.5 SP1 HF5 (DOC7954)
As for the 7.1 version, see ITMS 7.1 SP2 MP1 Rollup v11 (HOWTO81832)
Although the certificate will expire, it will continue to work as it is added to the trusted certificates in the Java security settings, moreover if you still get an error regarding the certificate you can add the certificate to the Exception Site List in the Java Control Panel -> Security tab -> Edit Site List...If the console is used remotely then you will have to add the FQDN of the machine, otherwise if it is used locally than http://localhost