CVE-2019-6321

Name: CVE-2019-6321
Creator: NVD / NIST
Published: 2019-05-29T20:29:00.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.45%

Last modified Jun 17, 2026

CVE-2019-6321 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.45% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

1.45%

70.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-667

Affected Software

Vendor	Product	Versions
Hp	Z4 G4 Workstation Firmware	< 1.70
Hp	Z4 G4 Core-X Workstation Firmware	< 1.70
Hp	Z6 G4 Workstation Firmware	< 1.71
Hp	Z8 G4 Workstation Firmware	< 1.71

References

https://support.hp.com/us-en/document/c06318199Patch, Vendor Advisory
https://support.hp.com/us-en/document/c06318199Patch, Vendor Advisory

Timeline

Published: May 29, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-6321?

How severe is CVE-2019-6321?

Severity scoring for CVE-2019-6321 is pending analysis. The EPSS model estimates a 1.45% probability of exploitation in the next 30 days.

How do I fix CVE-2019-6321?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-6321?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST