CVE:CVE-2021-27213
CNNVD:CNNVD-202102-1125
pystemon before 2021-02-13 存在安全漏洞，该漏洞允许通过YAML反序列化执行代码。
solution:Upgrade pystemon_project pystemon to a higher version than 2021-02-13,and avoid the version (,2021-02-13)