CVE-2021-42321

An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution.

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42321Patch
• http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.htmlExploit
• http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.htmlExploit
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321Patch
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42321US Government Resource