Lothar,
I've tried to manually download the EOX and PSIRT files but looks like that hasn't changed, files are still dated 17 April 2015. Not sure if support for this will be ending.
See link below.
https://software.cisco.com/download/release.html?mdfid=282635175&softwareid=280775123&os=Windows&release=4.3.2&relind=AVAILABLE&rellifecycle=&reltype=latest
Allen