Microsoft Exchange Server Remote Code Execution VulnerabilityReferenceshttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27065http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html