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CVE-2020-16899

Windows TCP/IP Denial of Service Vulnerability

Published
Last modified
published
Not listed in CISA KEV
1 proof of concept on GitHub

Summary

<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>

Timeline

  1. CVE published
  2. Record last updated
  3. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Microsoft Windows 10 Version 1803

    From 10.0.0

  • Microsoft Windows 10 Version 1809

    From 10.0.0

  • Microsoft Windows Server 2019

    From 10.0.0

  • Microsoft Windows Server 2019 (Server Core installation)

    From 10.0.0

  • Microsoft Windows 10 Version 1909

    From 10.0.0

  • Microsoft Windows Server, version 1909 (Server Core installation)

    From 10.0.0

  • Microsoft Windows 10 Version 1709 for 32-bit Systems

    From 10.0.0

  • Microsoft Windows 10 Version 1709

    From 10.0.0

  • Microsoft Windows 10 Version 1903 for 32-bit Systems

    From 10.0.0

  • Microsoft Windows 10 Version 1903 for x64-based Systems

    From 10.0.0

  • Microsoft Windows 10 Version 1903 for ARM64-based Systems

    From 10.0.0

  • Microsoft Windows Server, version 1903 (Server Core installation)

    From 10.0.0

  • Microsoft Windows 10 Version 2004

    From 10.0.0

  • Microsoft Windows Server version 2004

    From 10.0.0

References 2

portal.msrc.microsoft.com

GitHub · advanced-threat-research/CVE-2020-16899