CVE-2019-6321: Critical severity hp z4 workstation vulnerability

Published May 29, 2019
·
Updated

HP has identified a security vulnerability with some versions of Workstation BIOS (UEFI Firmware) where the runtime BIOS code could be tampered with if the TPM is disabled. This vulnerability relates to Workstations whose TPM is disabled by default.

Affected Software

12 affected components
HP Z4 G4 Workstation Firmware<1.70
HP Z4 G4 Workstation
HP Z4 G4 Core-x Workstation Firmware<1.70
HP Z4 G4 Core-x Workstation
HP Z6 G4 Workstation Firmware<1.71
HP Z6 G4 Workstation
HP Z8 G4 Workstation Firmware<1.71
HP Z8 G4 Workstation
HP Z4 G4 Workstation Firmware Linux<1.70
HP Z4 G4 Core-x Workstation Firmware Linux<1.70
HP Z6 G4 Workstation Firmware Linux<1.71
HP Z8 G4 Workstation Firmware Linux<1.71

Event History

May 29, 2019
CVE Published
via MITRE·07:55 PM
Data Sourced
via MITRE·07:55 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is the vulnerability ID for this HP BIOS security vulnerability?

The vulnerability ID for this HP BIOS security vulnerability is CVE-2019-6321.

2

What is the severity of CVE-2019-6321?

The severity of CVE-2019-6321 is critical, with a severity value of 7.2.

3

Which versions of HP Workstation BIOS (UEFI Firmware) are affected by this vulnerability?

This vulnerability affects some versions of HP Workstation BIOS (UEFI Firmware), including Hp Z4 G4 Workstation Firmware (up to version 1.70), Hp Z4 G4 Core-x Workstation Firmware (up to version 1.70), Hp Z6 G4 Workstation Firmware (up to version 1.71), and Hp Z8 G4 Workstation Firmware (up to version 1.71).

4

What is the impact of this vulnerability?

The impact of this vulnerability is that the runtime BIOS code could be tampered with if the TPM is disabled.

5

How can I fix CVE-2019-6321?

To fix CVE-2019-6321, it is recommended to enable the TPM (Trusted Platform Module) on the affected HP workstations.

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