Date：2021/08/11

【Security Vulnerability Warning】Microsoft Exchange Server exist security vulnerabilities (CVE-2021-31207, 34473 and 34523), please confirm and update as soon as possible!

Subject:【Security Vulnerability Warning】Microsoft Exchange Server exist security vulnerabilities (CVE-2021-31207, 34473 and 34523) that allow attackers to remotely execute arbitrary code. Please confirm and update as soon as possible!
Description:
For details, please refer to the following links.

https://www.ithome.com.tw/news/146093

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31207

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34473

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34523

Network System Division
Computer and Communication Center