VULNERABILITY INTELLIGENCE

CVE-2020-5378

CVSS score6.8 MEDIUM
EPSS probability0.39%
CISA KEVNot currently listed
Published2020-09-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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).

Weakness classification

  • CWE-416: Use After Free

Primary references