CVE-2021-36342

HIGH

Dell Alienware BIOS Authenticated Arbitrary Code Execution in SMRAM via SMI

Title source: llm
STIX 2.1

Description

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0004
EPSS Percentile 12.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-119 CWE-20
Status published
Products (50)
dell/alienware_13_r3_firmware < 1.14.0
dell/alienware_15_r3_firmware < 1.14.0
dell/alienware_15_r4_firmware < 1.15.0
dell/alienware_17_r4_firmware < 1.14.0
dell/alienware_17_r5_firmware < 1.15.0
dell/alienware_area_51m_r1_firmware < 1.16.0
dell/alienware_area_51m_r2_firmware < 1.11.0
dell/alienware_aurora_r11_firmware < 1.0.10
dell/alienware_aurora_r12_firmware < 1.1.8
dell/alienware_aurora_r8_firmware < 1.0.18
... and 40 more
Published Jan 24, 2022
Tracked Since Feb 18, 2026