CVE-2020-0661 — MEDIUM (6.8)

Vulnerability Description

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 Score

6.8

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows 10	1607
Microsoft	Windows Server 2016	-
Microsoft	Windows Server 2019	-

Related Weaknesses (CWE)

CWE-20

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0661PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0661PatchVendor Advisory

FAQ

What is CVE-2020-0661?

CVE-2020-0661 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 Ser...

How severe is CVE-2020-0661?

CVE-2020-0661 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-0661?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.