The remote host is missing an update to diatheke announced via advisory DSA 1508-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201508-1

Dan Dennison discovered that Diatheke, a CGI program to make a bible website, performs insufficient sanitising of a parameter, allowing a remote attacker to execute arbitrary shell commands as the web server user. For the stable distribution (etch), this problem has been fixed in version 1.5.9-2etch1. For the old stable distribution (sarge), this problem has been fixed in version 1.5.7-7sarge1. For the unstable distribution (sid), this problem has been fixed in version 1.5.9-8. We recommend that you upgrade your diatheke package.