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CVE Number Vulnerability Product Severity Date
CVE-2021-34494 Windows DNS Server Remote Code Execution Vulnerability Windows Server 2019 Critical 21-07-2021

Technical Information

Brief overview of the risk:

A remote code execution vulnerability in Windows DNS Server. No user interaction is required to exploit the vulnerability but the attacker must have at least a low privilege on the vulnerable server. This vulnerability affects only DNS Servers. An attacker who successfully exploited the vulnerability could execute arbitrary code in the context of the logged on user

Further information on this vulnerability is available at : CVE-2021-34494

Affected Software

Windows Server 2019
Windows Server 2019 (Server Core installation)
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 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 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)