CVE:CVE-2020-12618
CNNVD:CNNVD-202008-1025
eM Client 1.11之前版本中存在安全漏洞，该漏洞源于程序会自动化导入S/MIME证书并且默认替换之前存在的证书。攻击者可通过实施中间人攻击并发送邮件利用该漏洞从CA获取到有效的邮件S/MIME证书并替换公钥，进而猜测将来的通信过程。
solution:Upgrade emclient em_client to a higher version than 7.2.33412.0,and avoid the version (,7.2.33412.0)