CVE:CVE-2021-42321
CNNVD:CNNVD-202111-842
Microsoft Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。
Microsoft Exchange Server存在安全漏洞。以下产品和版本受到影响：Microsoft Exchange Server 2019 Cumulative Update 10,Microsoft Exchange Server 2016 Cumulative Update 22,Microsoft Exchange Server 2019 Cumulative Update 11,Microsoft Exchange Server 2016 Cumulative Update 21
solution:Upgrade microsoft exchange_server to a higher version than 2016:cumulative_update_21,2016:cumulative_update_22,2019:cumulative_update_10,2019:cumulative_update_11,and avoid the version 2016:cumulative_update_21,2016:cumulative_update_22,2019:cumulative_update_10,2019:cumulative_update_11