Vulnerability Name:

CVE-2019-1230 (CCN-166077)

Assigned:2018-11-26
Published:2019-10-08
Updated:2020-08-24
Summary:An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.
CVSS v3 Severity:6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:A/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-20
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2019-1230

Source: XF
Type: UNKNOWN
ms-hyperv-cve20191230-info-disc(166077)

Source: CCN
Type: Microsoft Security TechCenter - October 2019
Hyper-V Information Disclosure Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1230

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_10_1703:-:*:*:*:*:*: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_1803:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:microsoft:windows_10:*:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server:1803:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    microsoft windows 10 1703
    microsoft windows 10 1709
    microsoft windows 10 1803
    microsoft windows 10 1809
    microsoft windows server 2016 1803
    microsoft windows server 2019 -
    microsoft windows 10 *
    microsoft windows server 1803
    microsoft windows server 2019