VMSA-2021-0011

Low

Advisory ID: VMSA-2021-0011

CVSSv3 Range: 3.3

Issue Date: 2021-06-17

Updated On: 2021-06-17 (Initial Advisory)

CVE(s): CVE-2021-21997

Synopsis: VMware Tools for Windows update addresses a denial-of-service vulnerability (CVE-2021-21997)

1. Impacted Products

VMware Tools for Windows (VMware Tools)

2. Introduction

A denial-of-service vulnerability in VMware Tools for Windows was privately reported to VMware. Updates are available to remediate this vulnerability in affected VMware products.

3. VMware Tools for Windows update addresses a denial-of-service vulnerability (CVE-2021-21997)

Description

VMware Tools for Windows contains a denial-of-service vulnerability in the VM3DMP driver. VMware has evaluated the severity of this issue to be in the Low severity range with a maximum CVSSv3 base score of 3.3.

Known Attack Vectors

A malicious actor with local user privileges in the Windows guest operating system, where VMware Tools is installed, can trigger a PANIC in the VM3DMP driver leading to a denial-of-service condition in the Windows guest operating system.

Resolution

To remediate CVE-2021-21997 apply the patches listed in the 'Fixed Version' column of the 'Response Matrix' found below.

Workarounds

None.

Additional Documentation

None.

Notes

None.

Acknowledgements

VMware would like to thank Honggang Ren from Codesafe Team of Legendsec at Qi'anxin Group for reporting this vulnerability to us.

Response Matrix

Product	Version	Running On	CVE Identifier	CVSSv3	Severity	Fixed Version	Workarounds	Additional Documentation
VMware Tools for Windows	11.x.y and prior	Windows	CVE-2021-21997	3.3	low	11.3.0	None	None