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Vulnerability record · CVE-2021-39301 · published 16 February 2022

CVE-2021-39301: Hp z1 entry tower g5 workstation firmware improper privilege management vulnerability

Hp · Z1 Entry Tower G5 Workstation Firmware

Potential vulnerabilities have been identified in UEFI firmware (BIOS) for some PC products which may allow escalation of privilege and arbitrary code execution.

8.8 CVSS 3.1 High EPSS 0.39% · top 69.1% CWE-269 · Improper privilege management
8.8CVSS 3.1 base score, v2 7.2
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
150Affected product versions listed by NVD
2References
7 Oct 2026Last modified by NVD

Description

Potential vulnerabilities have been identified in UEFI firmware (BIOS) for some PC products which may allow escalation of privilege and arbitrary code execution.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

150 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.hp.com/us-en/document/ish_5661066-5661090-16 PatchVendor Advisory
https://support.hp.com/us-en/document/ish_5661066-5661090-16 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-39301), CISA KEV, FIRST EPSS (scores of 2026-10-18). This page is refreshed as NVD updates the record.