CVE-2022-34403 HIGH

CVE-2022-34403

Vendor Dell
Product CPG BIOS
Weakness CWE-121
Published February 1, 2023
Last update March 26, 2025

CVSS base score

7.5/10
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Dell BIOS contains a Stack based buffer overflow vulnerability. A local authenticated attacker could potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter to gain arbitrary code execution in SMRAM.

Key dates

02Disclosure timeline

February 1, 2023 CVE published
March 26, 2025 Record updated