Summary
The remote host is missing an update to the system as announced in the referenced advisory.
Solution
Update your system with the appropriate patches or software upgrades.
http://www.hiawatha-webserver.org/changelog
http://www.vuxml.org/freebsd/eef56761-11eb-11e1-bb94-001c140104d4.html
Insight
The following package is affected: hiawatha
