CVE:CVE-2020-5390
CNNVD:CNNVD-202001-420
PySAML2 5.0.0之前版本中存在安全漏洞，该漏洞源于无法检查SAML文档中的签名是否被封装。攻击者可利用该漏洞绕过安全限制。
solution:Upgrade pysaml2_project pysaml2 to a higher version than 5.0.0,and avoid the version (,5.0.0); Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,19.04,19.10,and avoid the version 16.04,18.04,19.04,19.10; Upgrade debian debian_linux to a higher version than 8.0,9.0,10.0,and avoid the version 8.0,9.0,10.0