Provide references for CVE-2017-16720.
Where can I find more information about CVE-2017-16720?
References are available at: https://www.exploit-db.com/exploits/44278/, http://www.securityfocus.com/bid/102424, https://ics-cert.us-cert.gov/advisories/ICSA-18-004-02, https://www.tenable.com/security/research/tra-2018-23.