Vulnerability CVE-2020-0617

Vulnerability Name:

CVE-2020-0617 (CCN-173818)

Assigned:

2019-11-04

Published:

2020-01-14

Updated:

2020-01-22

Summary:

A denial of service vulnerability exists when Microsoft Hyper-V Virtual PCI on a host server fails to properly validate input from a privileged user on a guest operating system, aka 'Hyper-V Denial of Service Vulnerability'.

CVSS v3 Severity:

6.0 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): High Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

3.8 Low (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): High Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2020-0617

Source: XF
Type: UNKNOWN
ms-hyperv-cve20200617-dos(173818)

Source: CCN
Type: Microsoft Security TechCenter - January 2020
Hyper-V Denial of Service Vulnerability

Source: N/A
Type: Patch, Vendor Advisory
N/A

Vulnerable Configuration:

Configuration 1:

cpe:/o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_1709:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_1803:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_1803:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/o:microsoft:windows_10:*:*:*:*:*:*:x64:*