CVE-2021-39298

HIGH

HP Z1/Z4/Z6/Z8 Workstation Firmware - Arbitrary Code Execution via AMD SMM Interrupt Handler

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 8.8
EPSS 0.0006
EPSS Percentile 17.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

Status published
Products (50)
hp/260_g3_desktop_mini_pc_firmware < 2.17.00
hp/elite_dragonfly_firmware < 01.12.00
hp/elite_dragonfly_g2_firmware < 01.08.00
hp/elite_dragonfly_max_firmware < 01.08.00
hp/elite_x2_1013_g3_firmware < 01.19.00
hp/elite_x2_g4_firmware < 01.12.00
hp/elite_x2_g8_tablet_firmware < 01.08.00
hp/elitebook_1050_g1_firmware < 01.19.00
hp/elitebook_830_g5_firmware < 01.19.00
hp/elitebook_830_g6_firmware < 01.12.00
... and 40 more
Published Feb 16, 2022
Tracked Since Feb 18, 2026