CVE-2021-33758 : Windows Hyper-V Denial of Service Vulnerability

Windows Hyper-V Denial of Service Vulnerability

Published 2021-07-14 18:15:10

Updated 2023-12-28 23:15:19

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2021-33758

Microsoft » Windows 10 » Version: 1607 For X64
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
Matching versions
Microsoft » Windows Server 2016 » Version: N/A
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.15%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 50 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:N/I:N/A:P	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.7	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H	3.1	4.0	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Changed Confidentiality: None Integrity: None Availability: High
7.7	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H	3.1	4.0	Microsoft Corporation
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Changed Confidentiality: None Integrity: None Availability: High

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33758

CVE-2021-33758 - Security Update Guide - Microsoft - Windows Hyper-V Denial of Service Vulnerability
Patch;Vendor Advisory

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