CVE-2021-31977 — HIGH (8.6)

Vulnerability Description

Windows Hyper-V Denial of Service Vulnerability

CVSS Score

8.6

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

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

Related Weaknesses (CWE)

CWE-119

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3197PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3197PatchVendor Advisory

FAQ

What is CVE-2021-31977?

CVE-2021-31977 is a vulnerability with a CVSS score of 8.6 (HIGH). Windows Hyper-V Denial of Service Vulnerability

How severe is CVE-2021-31977?

CVE-2021-31977 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-31977?

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.