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Vulnerability record · CVE-2021-3439 · published 1 February 2023

CVE-2021-3439: Hp 340 g3 firmware improper privilege management vulnerability

Hp · 340 G3 Firmware

HP has identified a potential vulnerability in BIOS firmware of some Workstation products. Firmware updates are being released to mitigate these potential vulnerabilities.

7.8 CVSS 3.1 High EPSS 0.17% · top 93.5% CWE-269 · Improper privilege management
7.8CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
150Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

HP has identified a potential vulnerability in BIOS firmware of some Workstation products. Firmware updates are being released to mitigate these potential vulnerabilities.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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_3982318-3982351-16/hpsbhf03735 PatchVendor Advisory
https://support.hp.com/us-en/document/ish_3982318-3982351-16/hpsbhf03735 PatchVendor Advisory

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Related vulnerabilities

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

7.8CVE-2023-26300Hp desktop pro a 300 g3 firmware vulnerabilityA potential security vulnerability has been identified in the system BIOS for certain HP PC products which might allow escalation of privilege. HP is…EPSS 0.19%

Source: NIST National Vulnerability Database (record CVE-2021-3439), CISA KEV, FIRST EPSS (scores of 2026-10-18). This page is refreshed as NVD updates the record.