CVE-2021-3972 Vulnerability Details

  /     /     /  

CVE-2021-3972 Metadata Quick Info

CVE Published: 22/04/2022 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: lenovo | Vendor: Lenovo | Product: Notebook BIOS
Status : PUBLISHED

CVE-2021-3972 Description

A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices\' BIOS that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable.

Metrics

CVSS Version: 3.1 | Base Score: 6.7 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* LOCAL
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* HIGH
    User Interaction (UI)* NONE
    Scope (S)* UNCHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* HIGH
    Integrity Impact (I)* HIGH
    Availability Impact (A)* HIGH

Weakness Enumeration (CWE)

CWE-ID: CWE-489
CWE Name: CWE-489 Leftover Debug Code
Source: Lenovo

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description: