CVE-2021-1691

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

Hyper-V Denial of Service Vulnerability This CVE ID is unique from CVE-2021-1692.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1691

Details

Source: MITRE

Published: 2021-01-12

Updated: 2021-01-20

Risk Information

CVSS v2

Base Score: 4

Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8

Severity: MEDIUM

CVSS v3

Base Score: 7.7

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

Impact Score: 4

Exploitability Score: 3.1

Severity: HIGH

Tenable Plugins

View all (2 total)

IDNameProductFamilySeverity
144884KB4598229: Windows 10 Version 1909 January 2021 Security UpdateNessusWindows : Microsoft Bulletins
high
144874KB4598242: Windows 10 Version 2004 / Windows 10 Version 20H2 January 2021 Security UpdateNessusWindows : Microsoft Bulletins
high