The remote host is missing an update to drupal6 announced via advisory DSA 2113-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202113-1

Several vulnerabilities have been discovered in drupal6 a fully-featured content management framework. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2010-3091 Several issues have been discovered in the OpenID module that allows malicious access to user accounts. CVE-2010-3092 The upload module includes a potential bypass of access restrictions due to not checking letter case-sensitivity. CVE-2010-3093 The comment module has a privilege escalation issue that allows certain users to bypass limitations. CVE-2010-3094 Several cross-site scripting (XSS) issues have been discovered in the Action feature. For the stable distribution (lenny), these problems have been fixed in version 6.6-3lenny6. For the testing distribution (squeeze) and the unstable distribution (sid), these problems have been fixed in version 6.18-1. We recommend that you upgrade your drupal6 packages.