Provide references for CVE-2020-16139.
Where can I find more information about CVE-2020-16139?
References are available at: http://packetstormsecurity.com/files/158819/Cisco-7937G-Denial-Of-Service.html, https://www.blacklanternsecurity.com/2020-08-07-Cisco-Unified-IP-Conference-Station-7937G/, https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-phone-7940g/end_of_life_notice_c51-729487.html.