CVE-2020-1243

Severity

78%

Complexity

18%

Confidentiality

98%

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate specific malicious data from a user on a guest operating system.To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application.The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to handle these requests., aka 'Windows Hyper-V Denial of Service Vulnerability'.

CVSS 3.1 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 4.6. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P).

Overview

Type

Microsoft Windows

First reported 4 years ago

2020-10-16 23:15:00

Last updated 4 years ago

2020-10-21 15:22:00

Affected Software

Microsoft Windows 10 1607 64-bit

1607

Microsoft Windows 10 1709 64 bit

1709

Microsoft Windows 10 1803 on x64

1803

Microsoft Windows 10 1809 on x64

1809

Microsoft Windows 10 1903 64-bit

1903

Microsoft Windows 10 2004 on x64

2004

Microsoft Windows Server 2016

Microsoft Windows Server 2016 1909

1909

Microsoft Windows Server 2019

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.