Provide references for CVE-2019-9621.
Where can I find more information about CVE-2019-9621?
References are available at: https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories, https://wiki.zimbra.com/wiki/Security_Center, https://bugzilla.zimbra.com/show_bug.cgi?id=109127, http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce, http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html, https://www.exploit-db.com/exploits/46693/, https://blog.zimbra.com/2019/03/9826/, https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html, http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html.