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.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-26776 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.
Fixes

Solution

Update system firmware to the version (or newer) indicated for your model in the Product Impact section of LEN-65529.


Workaround

No workaround given by the vendor.

History

Tue, 16 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: lenovo

Published:

Updated: 2025-12-16T17:56:22.882Z

Reserved: 2021-03-19T00:00:00.000Z

Link: CVE-2021-3453

cve-icon Vulnrichment

Updated: 2024-08-03T16:53:17.675Z

cve-icon NVD

Status : Modified

Published: 2021-07-16T21:15:10.683

Modified: 2024-11-21T06:21:34.380

Link: CVE-2021-3453

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses