Executive Summary

Informations
Name CVE-2021-3972 First vendor Publication 2022-04-22
Vendor Cve Last vendor Modification 2022-05-06

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 6.7
Base Score 6.7 Environmental Score 6.7
impact SubScore 5.9 Temporal Score 6.7
Exploitabality Sub Score 0.8
 
Attack Vector Local Attack Complexity Low
Privileges Required High User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.6 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3972

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1
Os 1
Os 1
Os 2
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 2
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 2
Os 1
Os 1
Os 1
Os 1
Os 1
Os 2
Os 2
Os 2
Os 2
Os 1
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 1
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 1
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 1
Os 2
Os 2
Os 2
Os 1
Os 2
Os 2
Os 2
Os 1
Os 2
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 2
Os 1
Os 1
Os 2
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 2
Os 1
Os 2
Os 2
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1

Sources (Detail)

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

Alert History

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Date Informations
2023-08-25 02:14:01
  • Multiple Updates
2022-05-12 00:23:05
  • Multiple Updates
2022-05-07 00:23:00
  • Multiple Updates
2022-04-25 17:22:58
  • Multiple Updates
2022-04-23 00:22:53
  • First insertion