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Unrated severityNVD Advisory· Published Oct 16, 2020· Updated Aug 4, 2024

Windows TCP/IP Denial of Service Vulnerability

CVE-2020-16899

Description

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. 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. The update addresses the vulnerability by correcting how the Windows TCP/IP stack handles ICMPv6 Router Advertisement packets.

Affected products

7
  • Microsoft/Windows 10 1909v53 versions
    cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*range: 10.0.0
  • Microsoft/Windows 10 1809v52 versions
    cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*range: 10.0.0
  • Microsoft/Windows Server 2019v5
    cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
    Range: 10.0.0
  • Microsoft/Windowsllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

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