CVE-2017-0021

critical

Description

Hyper-V in Microsoft Windows 10 1607 and Windows Server 2016 does not properly validate vSMB packet data, which allows attackers to execute arbitrary code on a target OS, aka "Hyper-V System Data Structure Vulnerability." This vulnerability is different from that described in CVE-2017-0095.

References

http://www.securityfocus.com/bid/96020

http://www.securitytracker.com/id/1037999

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0021

Details

Source: MITRE

Published: 2017-03-17

Updated: 2019-10-03

Risk Information

CVSS v2

Base Score: 7.7

Vector: AV:A/AC:L/Au:S/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 5.1

Severity: HIGH

CVSS v3

Base Score: 9

Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Impact Score: 6

Exploitability Score: 2.3

Severity: CRITICAL