SARA / Free Tools / CVE / CVE-2020-0661

CVE-2020-0661 — A denial of service vulnerability exists when Microsoft Hyper-V on a host server

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system, aka 'Windows Hyper-V Denial of Service Vulnerability'. This CVE ID is unique from CVE-2020-0751.

CVSS
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EPSS
0.60% (top 30.80%)
CWE
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Published
2020-02-11T21:22:48.000Z
Last modified
2024-08-04T06:11:05.322Z
CVSS vector
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01What is this vulnerability?

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system, aka 'Windows Hyper-V Denial of Service Vulnerability'. This CVE ID is unique from CVE-2020-0751.

02Affected products

VendorProductVersions
MicrosoftWindows10 Version 1809 for x64-based Systems, 10 Version 1607 for x64-based Systems
MicrosoftWindows Server2019, 2019 (Core installation), 2016, 2016 (Core installation)
MicrosoftWindows Server, version 1903 (Server Core installation)unspecified
MicrosoftWindows 10 Version 1909 for x64based Systems — unspecified
MicrosoftWindows Server, version 1909 (Server Core installation)unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

CVE-2020-0751
Cited in vendor advisory

08Timeline

09References

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