{"cve":"CVE-2019-6321","nvd":{"published":"2019-05-29T20:29:00.330","modified":"2026-06-17T02:38:58.920","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2},"cwes":["CWE-667"],"references":["https://support.hp.com/us-en/document/c06318199","https://support.hp.com/us-en/document/c06318199"],"products":["hp:z4_g4_core-x_workstation_firmware","hp:z4_g4_workstation_firmware","hp:z6_g4_workstation_firmware","hp:z8_g4_workstation_firmware"],"source":"nvd","synced_at":"2026-10-19T20:57:00.690689396+00:00"},"epss":{"cve":"CVE-2019-6321","score":0.01425,"percentile":0.72935,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}