SecureCRT versions 4.1 and 4.0 suffer from flaws that allow for remote compromise due to links automatically launching the application.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/35142/secureCRTrce.txt
Source: https://packetstormsecurity.com/files/35142/secureCRTrce.txt.html