CVE-2021-3972

MediumCVSS 6.7/10Last modified Jun 17, 2026

Description

A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices' BIOS that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-489

Affected software

No affected versions have been published.

Timeline

Published
Apr 22, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-397209.8Product: AndroidVersions: Android kernelAndroid ID: A-207433926References: N/ACVE-2021-397216.7In TBD of TBD, there is a possible out of bounds write due to memory corruption. This could lead to local escalation of privilege with SysteCVE-2021-397224.4In ProtocolStkProactiveCommandAdapter::Init of protocolstkadapter.cpp, there is a possible out of bounds read due to an incorrect bounds cheCVE-2021-397239.8Product: AndroidVersions: Android kernelAndroid ID: A-209014813References: N/ACVE-2021-397244.4In TuningProviderBase::GetTuningTreeSet of tuning_provider_base.cc, there is a possible out of bounds read due to a missing bounds check. ThCVE-2021-397256.7In gasket_free_coherent_memory_all of gasket_page_table.c, there is a possible memory corruption due to a double free. This could lead to loCVE-2021-397267.5In cd_ParseMsg of cd_codec.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote informationCVE-2021-397274.1In eicPresentationRetrieveEntryValue of acropora/app/identity/libeic/EicPresentation.c, there is a possible information disclosure due to a CVE-2021-397296.7In the TitanM chip, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege CVE-2021-39737.8vim is vulnerable to Heap-based Buffer OverflowCVE-2021-397304.4In TBD of TBD, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with SyCVE-2021-397316.7In ProtocolStkProactiveCommandAdapter::Init of protocolstkadapter.cpp, there is a possible out of bounds write due to an incorrect bounds ch
CVE-2021-3972: Medium severity, CVSS 6.7 | Vulnix