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CVE-2021-3453

Published: Jul 16, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-693
NVD MITRE
6.8CVSSMEDIUM
EPSS Score
0.2%
Top 85.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:PAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:PAttack Vector
Physical
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-693NVD-CWE-noinfo

Affected Products

thinkpad helix firmwarelenovoHardware Firmware
thinkpad t550 firmwarelenovoHardware Firmware
thinkpad w550s firmwarelenovoHardware Firmware
thinkpad x1 carbon 3rd gen firmwarelenovoHardware Firmware
thinkpad x250 firmwarelenovoHardware Firmware
lenovocommercialCNHardware Firmwareaka lenovo group
and 17 more affected products View all →

Exploitability

Official Patch Available

References

https://support.lenovo.com/us/en/product_security/LEN-65529
support.lenovo.com

Timeline

Published
Jul 16, 2021
Last Updated
Nov 21, 2024

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