Vulnerability CVE-2019-1309

Vulnerability Name:

CVE-2019-1309 (CCN-170544)

Assigned:

2018-11-26

Published:

2019-11-12

Updated:

2019-11-13

Summary:

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka 'Windows Hyper-V Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0712, CVE-2019-1310, CVE-2019-1399.

CVSS v3 Severity:

6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network 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

5.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H)
4.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/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): Adjacent 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:

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

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

4.3 Medium (CCN CVSS v2 Vector: AV:A/AC:H/Au:S/C:N/I:N/A:C)

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