CVE-2021-3453

Published Jul 16, 2021

Last updated 3 years ago

Overview

Description
Some Lenovo Notebook, ThinkPad, and Lenovo Desktop systems have BIOS modules unprotected by Intel Boot Guard that could allow an attacker with physical access the ability to write to the SPI flash storage.
Source
psirt@lenovo.com
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
4.6
Impact score
3.6
Exploitability score
0.9
Vector string
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
2.1
Impact score
2.9
Exploitability score
3.9
Vector string
AV:L/AC:L/Au:N/C:N/I:P/A:N

Weaknesses

nvd@nist.gov
NVD-CWE-noinfo
psirt@lenovo.com
CWE-693

Social media

Hype score
Not currently trending

Configurations