CVE-2022-40080

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

16/02/2023

Last modified:

19/03/2025

Description

Stack overflow vulnerability in Aspire E5-475G &#39;s BIOS firmware, in the FpGui module, a second call to GetVariable services allows local attackers to execute arbitrary code in the UEFI DXE phase and gain escalated privileges.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High