CVE-2020-5378 MEDIUM

CVE-2020-5378

Vendor Dell
Product CPG BIOS
Weakness CWE-416
Published September 2, 2020
Last update September 17, 2024

CVSS base score

6.8/10
Attack vector Physical
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Dell G7 17 7790 BIOS versions prior to 1.13.2 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).

Key dates

02Disclosure timeline

September 2, 2020 CVE published
September 17, 2024 Record updated