CVE-2019-6321 Security feature bypass in HP Z4 G4 Core-X Workstation
Attackers can tamper with runtime BIOS code on HP Workstations if the TPM is disabled, bypassing security protections.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-6321?
CVE-2019-6321 is a high-severity vulnerability in HP Z4 G4 Core-X Workstation, published on 29 May 2019. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-667
Which versions are affected by CVE-2019-6321?
It affects 4 products.
Products include Hp Z4 G4 Core-X Workstation Firmware, Hp Z4 G4 Workstation Firmware, Hp Z6 G4 Workstation Firmware, Hp Z8 G4 Workstation Firmware.
How do I fix CVE-2019-6321?
No fix has been published for CVE-2019-6321 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-6321 being exploited?
There is no known exploitation of CVE-2019-6321 in the wild and no public exploit code.
Other vulnerabilities in HP Z4 G4 Core-X Workstation
Sources
Also known as GHSA-9c6c-jqh5-vqv4.