CVE-2021-3439

highpriority · track · 31EPSS 0.002 · 7 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.17% (7th) EPSS

CVSS 7.8 · high

Is it mine?

378 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-23

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

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269US

affected products (378)

Products and version ranges known to be affected.

HP Inc. HP PC BIOS≤ See HP Security Bulletin reference for affected versions.enisa_euvdEU
hp 200 g3 all-in-one (rom family ssid 8431) firmwareall versionsnvdUScpe:2.3:o:hp:200_g3_all-in-one_\(rom_family_ssid_8431\)_firmware:*:*:*:*:*:*:*:*
hp 200 g3 all-in-one (rom family ssid 84de) firmwareall versionsnvdUScpe:2.3:o:hp:200_g3_all-in-one_\(rom_family_ssid_84de\)_firmware:*:*:*:*:*:*:*:*
hp 200 g4 22 all-in-one pc (rom family ssid 86f0) firmwareall versionsnvdUScpe:2.3:o:hp:200_g4_22_all-in-one_pc_\(rom_family_ssid_86f0\)_firmware:*:*:*:*:*:*:*:*
hp 200 g4 22 all-in-one pc (rom family ssid 86f8) firmwareall versionsnvdUScpe:2.3:o:hp:200_g4_22_all-in-one_pc_\(rom_family_ssid_86f8\)_firmware:*:*:*:*:*:*:*:*
hp 200 pro g4 22 all-in-one pc (rom family ssid 86f0) firmwareall versionsnvdUScpe:2.3:o:hp:200_pro_g4_22_all-in-one_pc_\(rom_family_ssid_86f0\)_firmware:*:*:*:*:*:*:*:*
hp 200 pro g4 22 all-in-one pc (rom family ssid 86f8) firmwareall versionsnvdUScpe:2.3:o:hp:200_pro_g4_22_all-in-one_pc_\(rom_family_ssid_86f8\)_firmware:*:*:*:*:*:*:*:*
hp 205 g4 22 all-in-one pc (rom family ssid 86f0) firmwareall versionsnvdUScpe:2.3:o:hp:205_g4_22_all-in-one_pc_\(rom_family_ssid_86f0\)_firmware:*:*:*:*:*:*:*:*
hp 205 g4 22 all-in-one pc (rom family ssid 86f8) firmwareall versionsnvdUScpe:2.3:o:hp:205_g4_22_all-in-one_pc_\(rom_family_ssid_86f8\)_firmware:*:*:*:*:*:*:*:*
hp 205 pro g4 22 all-in-one pc (rom family ssid 86f0) firmwareall versionsnvdUScpe:2.3:o:hp:205_pro_g4_22_all-in-one_pc_\(rom_family_ssid_86f0\)_firmware:*:*:*:*:*:*:*:*
hp 205 pro g4 22 all-in-one pc (rom family ssid 86f8) firmwareall versionsnvdUScpe:2.3:o:hp:205_pro_g4_22_all-in-one_pc_\(rom_family_ssid_86f8\)_firmware:*:*:*:*:*:*:*:*
hp 218 pro g5 microtower pc firmware< f.12nvdUScpe:2.3:o:hp:218_pro_g5_microtower_pc_firmware:*:*:*:*:*:*:*:*
hp 240 g4 firmwareall versionsnvdUScpe:2.3:o:hp:240_g4_firmware:*:*:*:*:*:*:*:*
hp 240 g5 firmwareall versionsnvdUScpe:2.3:o:hp:240_g5_firmware:*:*:*:*:*:*:*:*
hp 240 g6 firmware< f.50nvdUScpe:2.3:o:hp:240_g6_firmware:*:*:*:*:*:*:*:*
hp 240 g7 firmware< f.64nvdUScpe:2.3:o:hp:240_g7_firmware:*:*:*:*:*:*:*:*
hp 246 g4 firmwareall versionsnvdUScpe:2.3:o:hp:246_g4_firmware:*:*:*:*:*:*:*:*
hp 246 g5 firmwareall versionsnvdUScpe:2.3:o:hp:246_g5_firmware:*:*:*:*:*:*:*:*
hp 246 g6 firmware< f.50nvdUScpe:2.3:o:hp:246_g6_firmware:*:*:*:*:*:*:*:*
hp 246 g7 firmware< f.64nvdUScpe:2.3:o:hp:246_g7_firmware:*:*:*:*:*:*:*:*

showing 20 of 378

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2023-02-01modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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