The remote host is missing an update to phpgroupware announced via advisory DSA 1978-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201978-1

Several remote vulnerabilities have been discovered in phpgroupware, a Web based groupware system written in PHP. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2009-4414 An SQL injection vulnerability was found in the authentication module. CVE-2009-4415 Multiple directory traversal vulnerabilities were found in the addressbook module. CVE-2009-4416 The authentication module is affected by cross-site scripting. For the stable distribution (lenny) these problems have been fixed in version 0.9.16.012+dfsg-8+lenny1. For the unstable distribution (sid) these problems have been fixed in version 0.9.16.012+dfsg-9. We recommend that you upgrade your phpgroupware packages.