CVE Vulnerabilities

CVE-2021-3971

Published: Apr 22, 2022 | Modified: May 06, 2022

CVSS 3.x

6.7

MEDIUM

Source:

NVD

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

CVSS 2.x

4.6 MEDIUM

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-3971
CWE	https://cwe.mitre.org/data/definitions/NVD-Other.html

A potential vulnerability by a driver used during older manufacturing processes on some consumer Lenovo Notebook devices that was mistakenly included in the BIOS image could allow an attacker with elevated privileges to modify firmware protection region by modifying an NVRAM variable.

Affected Software

Name	Vendor	Start Version	End Version
Ideapad_3-14ada05_firmware	Lenovo	*	e8cn33ww (excluding)

References

https://support.lenovo.com/us/en/product_security/LEN-73440

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