CVE Vulnerability

CVE-2021-3972

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.

4.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

6.7 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://support.lenovo.com/us/en/product_security/LEN-73440 Vendor Advisory
Configurations

Configuration 1
Information

Published : 2022-04-22 09:15

Updated : 2022-05-06 08:49

NVD link : CVE-2021-3972

Mitre link : CVE-2021-3972

Products Affected

L340-17iwl Firmware

Lenovo

CWE
NVD-CWE-Other