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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2020-16899

Change History

CVE Modified by Microsoft Corporation 12/31/2023 3:15:49 PM

Action Type Old Value New Value
Added CVSS V3.1 

								
							
							
								
							
						
								
							
								
Microsoft Corporation AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

								
								
					

					

						Changed
						Description
						
							
							
								
							
								
A denial of service vulnerability exists when the Windows TCP/IP stack improperly handles ICMPv6 Router Advertisement packets, aka 'Windows TCP/IP Denial of Service Vulnerability'.

								
							
							
								
							
						
								
							
								
<p>A denial of service vulnerability exists when the Windows TCP/IP stack improperly handles ICMPv6 Router Advertisement packets. An attacker who successfully exploited this vulnerability could cause a target system to stop responding.</p>
<p>To exploit this vulnerability, an attacker would have to send specially crafted ICMPv6 Router Advertisement packets to a remote Windows computer. The vulnerability would not allow an attacker to execute code or to elevate user rights directly.</p>
<p>The update addresses the vulnerability by correcting how the Windows TCP/IP stack handles ICMPv6 Router Advertisement packets.</p>