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CVE-2020-0909

HIGHCVSS 7.5/10EPSS 4.44%

Last modified

CVE-2020-0909 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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'.. EPSS estimates a 4.44% chance of exploitation in the next 30 days.

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'.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
4.44%

90.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
MicrosoftWindows 10All versions—
MicrosoftWindows 101607—
MicrosoftWindows 101709—
MicrosoftWindows 101803—
MicrosoftWindows 101809—
MicrosoftWindows 101903—
MicrosoftWindows 101909—
MicrosoftWindows 7All versionsSp1
MicrosoftWindows 8.1All versions—
MicrosoftWindows Server 2008All versionsSp2
MicrosoftWindows Server 2008r2Sp1
MicrosoftWindows Server 2012All versions—
MicrosoftWindows Server 2012r2—
MicrosoftWindows Server 2016All versions—
MicrosoftWindows Server 20161803—
MicrosoftWindows Server 20161903—
MicrosoftWindows Server 20161909—
MicrosoftWindows Server 2019All versions—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-0909?
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'.
How severe is CVE-2020-0909?
CVE-2020-0909 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.44% probability of exploitation in the next 30 days.
How do I fix CVE-2020-0909?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-0909?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST