CVE-2020-0909 — Improper Input Validation in Microsoft Windows

CWE-20 — Improper Input Validation4 documents4 sources
Severity
7.5HIGHNVD
EPSS
12.4%
top 6.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
Microsoft WindowsMicrosoft Windows 10 Version 1903 FOR X64-based SystemsMicrosoft Windows 10 Version 1909 FOR X64-based Systems+5 more
Timeline
PublishedMay 21
Latest updateMay 24

Description

A denial of service vulnerability exists when Hyper-V on a Windows Server fails to properly handle specially crafted network packets.To exploit the vulnerability, an attacker would send specially crafted network packets to the Hyper-V Server.The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to properly handle these network packets., aka 'Windows Hyper-V Denial of Service Vulnerability'.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages6 packages

▶CVEListV5microsoft/windows_server13 versions+12
▶CVEListV5microsoft/windows7 versions+6
▶NVDmicrosoft/windows4 versions+3
▶NVDmicrosoft/windows_106 versions+5

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-29r6-grc2-5h75: A denial of service vulnerability exists when Hyper-V on a Windows Server fails to properly handle specially crafted network packets↗2022-05-24
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CVEList
CVE-2020-0909: A denial of service vulnerability exists when Hyper-V on a Windows Server fails to properly handle specially crafted network packets↗2020-05-21
▶

📋Vendor Advisories

1
Microsoft
Windows Hyper-V Denial of Service Vulnerability↗2020-05-12
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CVE-2020-0909 — Improper Input Validation in Microsoft | cvebase