This script is Copyright (C) 2006-2013 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
Plone.org reports :
PlonePAS-using Plone releases (Plone 2.5 and Plone 2.5.1) has a
potential vulnerability that allows a user to masquerade as a group.
Please update your sites.
See also :
Update the affected package.
Risk factor :
Medium / CVSS Base Score : 4.3
CVSS Temporal Score : 3.6
Public Exploit Available : true