CVE Vulnerability

CVE-2021-4212

A potential vulnerability in the SMI callback function used in the Legacy BIOS mode driver in some Lenovo Notebook models may allow an attacker with local access and elevated privileges to execute arbitrary code.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

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-77639 Patch Vendor Advisory
Configurations

Configuration 1
Information

Published : 2022-04-22 09:15

Updated : 2022-05-11 08:06

NVD link : CVE-2021-4212

Mitre link : CVE-2021-4212

Products Affected

L340-17iwl Firmware

Lenovo

CWE
CWE-20