{"cve":"CVE-2021-39298","nvd":{"published":"2022-02-16T17:15:10.860","modified":"2026-10-07T19:17:28.783","status":"Modified","description":"A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SMM resulting in arbitrary code execution which could be used by malicious actors to bypass security mechanisms provided in the UEFI firmware.","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://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1027","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1027","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"],"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-2021-39298","score":0.00374,"percentile":0.31048,"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."]}