CVE Vulnerabilities

CVE-2021-3453

Published: Jul 16, 2021 | Modified: Jul 30, 2021

CVSS 3.x

4.6

MEDIUM

Source:

NVD

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS 2.x

2.1 LOW

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-3453
CWE	https://cwe.mitre.org/data/definitions/.html

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.

Affected Software

Name	Vendor	Start Version	End Version
Thinkpad_helix_firmware	Lenovo	n17etb4w (including)	n17etb4w (including)

References

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

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