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Vulnerability · Published Oct 16, 2020 · Assigned by microsoft

CVE-2020-16898Windows TCP/IP Remote Code Execution Vulnerability

High 8.8

In plain English

A high-severity security flaw in Windows 10 Version 1709 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 10.9% (higher than 96% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)10.9%top 4.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

<p>A remote code execution vulnerability exists when the Windows TCP/IP stack improperly handles ICMPv6 Router Advertisement packets. An attacker who successfully exploited this vulnerability could gain the ability to execute code on the target server or client.</p> <p>To exploit this vulnerability, an attacker would have to send specially crafted ICMPv6 Router Advertisement packets to a remote Windows computer.</p> <p>The update addresses the vulnerability by correcting how the Windows TCP/IP stack handles ICMPv6 Router Advertisement packets.</p>

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1803 10.0.0 – before publication
Microsoft Windows 10 Version 1809 10.0.0 – before publication
Microsoft Windows Server 2019 10.0.0 – before publication
Microsoft Windows Server 2019 (Server Core installation) 10.0.0 – before publication
Microsoft Windows 10 Version 1909 10.0.0 – before publication
Microsoft Windows Server, version 1909 (Server Core installation) 10.0.0 – before publication
Microsoft Windows 10 Version 1709 for 32-bit Systems 10.0.0 – before publication
Microsoft Windows 10 Version 1709 10.0.0 – before publication
Microsoft Windows 10 Version 1903 for 32-bit Systems 10.0.0 – before publication
Microsoft Windows 10 Version 1903 for x64-based Systems 10.0.0 – before publication
Microsoft Windows 10 Version 1903 for ARM64-based Systems 10.0.0 – before publication
Microsoft Windows Server, version 1903 (Server Core installation) 10.0.0 – before publication
Microsoft Windows 10 Version 2004 10.0.0 – before publication
Microsoft Windows Server version 2004 10.0.0 – before publication

References