Vulnerability Details : CVE-2019-6321
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.
Products affected by CVE-2019-6321
- cpe:2.3:o:hp:z4_g4_workstation_firmware:*:*:*:*:*:linux:*:*
- cpe:2.3:o:hp:z4_g4_workstation_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z4_g4_core-x_workstation_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z4_g4_core-x_workstation_firmware:*:*:*:*:*:linux:*:*
- cpe:2.3:o:hp:z6_g4_workstation_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z6_g4_workstation_firmware:*:*:*:*:*:linux:*:*
- cpe:2.3:o:hp:z8_g4_workstation_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:hp:z8_g4_workstation_firmware:*:*:*:*:*:linux:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-6321
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-6321
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
7.2
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST |
CWE ids for CVE-2019-6321
-
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-6321
-
https://support.hp.com/us-en/document/c06318199
HPSBHF03614 rev. 1 - Processor Registers Left Unlocked When TPM is Disabled | HP® Customer SupportPatch;Vendor Advisory
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