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://viewvc.tigris.org/source/browse/*checkout*/viewvc/branches/1.1.x/CHANGES http://www.vuxml.org/freebsd/7af2fb85-8584-11e0-96b7-00300582f9fc.html
Insight
The following package is affected: viewvc
