{"cve":"CVE-2021-39301","nvd":{"published":"2022-02-16T17:15:11.040","modified":"2026-10-07T19:17:29.950","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8},"cwes":["CWE-269"],"references":["https://support.hp.com/us-en/document/ish_5661066-5661090-16","https://support.hp.com/us-en/document/ish_5661066-5661090-16"],"products":["hp:260_g3_desktop_mini_pc_firmware","hp:elite_dragonfly_firmware","hp:elite_dragonfly_g2_firmware","hp:elite_dragonfly_max_firmware","hp:elite_x2_1013_g3_firmware","hp:elite_x2_g4_firmware","hp:elite_x2_g8_tablet_firmware","hp:elitebook_1050_g1_firmware","hp:elitebook_830_g5_firmware","hp:elitebook_830_g6_firmware","hp:elitebook_830_g7_firmware","hp:elitebook_830_g8_firmware","hp:elitebook_836_g5_firmware","hp:elitebook_836_g6_firmware","hp:elitebook_840_aero_g8_firmware","hp:elitebook_840_g5_firmware","hp:elitebook_840_g5_healthcare_edition_firmware","hp:elitebook_840_g6_firmware","hp:elitebook_840_g6_healthcare_edition_firmware","hp:elitebook_840_g7_firmware","hp:elitebook_840_g8_firmware","hp:elitebook_840r_g4_firmware","hp:elitebook_846_g5_firmware","hp:elitebook_850_g5_firmware","hp:elitebook_850_g6_firmware","hp:elitebook_850_g7_firmware","hp:elitebook_850_g8_firmware","hp:elitebook_x360_1030_g3_firmware","hp:elitebook_x360_1030_g4_firmware","hp:elitebook_x360_1030_g7_firmware","hp:elitebook_x360_1030_g8_firmware","hp:elitebook_x360_1040_g5_firmware","hp:elitebook_x360_1040_g6_firmware","hp:elitebook_x360_1040_g7_firmware","hp:elitebook_x360_1040_g8_firmware","hp:elitebook_x360_830_g5_firmware","hp:elitebook_x360_830_g6_firmware","hp:elitebook_x360_830_g7_firmware","hp:elitebook_x360_830_g8_firmware","hp:elitedesk_800_35w_g4_desktop_mini_pc_firmware","hp:elitedesk_800_65w_g4_desktop_mini_pc_firmware","hp:elitedesk_800_95w_g4_desktop_mini_pc_firmware","hp:elitedesk_800_g4_small_form_factor_pc_firmware","hp:elitedesk_800_g4_tower_pc_firmware","hp:elitedesk_800_g4_workstation_edition_firmware","hp:elitedesk_800_g5_desktop_mini_pc_firmware","hp:elitedesk_800_g5_small_form_factor_pc_firmware","hp:elitedesk_800_g5_tower_pc_firmware","hp:elitedesk_800_g6_desktop_mini_pc_firmware","hp:elitedesk_800_g6_small_form_factor_pc_firmware"],"source":"nvd","synced_at":"2026-10-19T21:28:04.509275555+00:00"},"epss":{"cve":"CVE-2021-39301","score":0.00385,"percentile":0.32241,"date":"2026-10-25"},"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."]}