Provide references for CVE-2016-4520.
Where can I find more information about CVE-2016-4520?
References are available at: https://ics-cert.us-cert.gov/advisories/ICSA-16-196-01, http://www.securityfocus.com/bid/91783, http://www.schneider-electric.com/ww/en/download/document/SEVD-2016-153-01.