Provide references for CVE-2019-11538.
Where can I find more information about CVE-2019-11538?
References are available at: https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101, http://www.securityfocus.com/bid/108073, https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010, https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf, https://devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-vpn-rce-chain-with-Twitter-as-case-study/, https://www.kb.cert.org/vuls/id/927237.