CVE:CVE-2021-33780
CNNVD:CNNVD-202107-819
Microsoft Windows DNS是美国微软（Microsoft）公司的一个域名解析服务。域名系统（DNS）是包含TCP / IP的行业标准协议套件之一，并且DNS客户端和DNS服务器共同为计算机和用户提供计算机名称到IP地址的映射名称解析服务。
Microsoft Windows DNS Server存在代码注入漏洞。以下产品和版本受到影响：Windows Server 2012 (Server Core installation),Windows Server 2012 R2,Windows Server 2012 R2 (Server Core installation),Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation),Windows Server 2012,Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation),Windows Server 2008 for x64-based Systems Service Pack 2,Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation),Windows Server 2008 R2 for x64-based Systems Service Pack 1,Windows Server, version 2004 (Server Core installation),Windows Server, version 20H2 (Server Core Installation),Windows Server 2016,Windows Server 2016  (Server Core installation),Windows Server 2008 for 32-bit Systems Service Pack 2,Windows Server 2019,Windows Server 2019  (Server Core installation)
solution:Upgrade microsoft windows_server_2008 to a higher version than -:sp1,-:sp2,and avoid the version -:sp1,-:sp2; Upgrade microsoft windows_server_2012 to a higher version than -,-:r2,and avoid the version -:r2; Upgrade microsoft windows_server_2016 to a higher version than -,20h2,2004,and avoid the version 20h2,2004; Upgrade microsoft windows_server_2019 to a higher version than -