CVE-2020-16899: 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>
Other sources
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'.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2020-16899?
The severity of CVE-2020-16899 is classified as critical due to its potential for denial of service.
How do I fix CVE-2020-16899?
To fix CVE-2020-16899, apply the security update released by Microsoft for affected Windows versions.
What systems are affected by CVE-2020-16899?
CVE-2020-16899 affects specific versions of Windows 10 and Windows Server 2016 and 2019.
What type of attack is CVE-2020-16899 associated with?
CVE-2020-16899 is associated with denial of service attacks through improper handling of ICMPv6 Router Advertisement packets.
What can happen if CVE-2020-16899 is exploited?
If exploited, CVE-2020-16899 can cause the target system to become unresponsive.