portaudit
Sadly there is no documentation for this plugin.
#!/bin/sh
#
# Plugin to monitor the number of vulnerabilities on the machine using portaudit.
#
# Parameters:
#
# config (required)
# autoconf (optional - used by munin-config)
#
# Magick markers (optional - used by munin-config and some installation
# scripts):
#%# family=auto
#%# capabilities=autoconf
PORTAUDIT=/usr/local/sbin/portaudit
if [ "$1" = "autoconf" ]; then
if [ -x $PORTAUDIT ]; then
echo yes
exit 0
else
echo no '(portaudit not found)'
exit 0
fi
fi
if [ "$1" = "config" ]; then
echo 'graph_title Number of Vulnerabilities'
echo 'graph_args --base 1000 -l 0 '
echo 'graph_vlabel number of vulnerabilities'
echo 'graph_category security'
echo 'graph_info This graph shows the number of vulnerabilities in the system.'
echo 'vulnerabilities.label vulnerabilities'
echo 'vulnerabilities.info The current number of vulnerabilities.'
echo 'vulnerabilities.draw LINE2'
exit 0
fi
echo -n "vulnerabilities.value "
$PORTAUDIT -qa | /usr/bin/wc -l