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CVE-2021-3972

🗓️ 22 Apr 2022 21:15:09Reported by GoogleType 
osv_cve
 osv_cve
🔗 osv.dev👁 15 Views

CVE-2021-3972 describes a manufacturing-time Lenovo notebook BIOS driver left active, enabling elevated attackers to modify secure boot via an NVRAM variable.

Related
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for Active Debug Code in Lenovo Ideapad_3-14Ada05_Firmware
21 Apr 202210:25
–githubexploit
attackerkb
attackerkb
CVE-2021-3972
22 Apr 202221:15
–attackerkb
bdu_fstec
BDU FSTEC
ChgBootDxeHook Driver Execution
21 Apr 202200:00
–bdu_fstec
circl
Circl
CVE-2021-3972
20 Apr 202203:02
–circl
cnnvd
CNNVD
Lenovo Notebook 安全漏洞
18 Apr 202200:00
–cnnvd
cve
CVE
CVE-2021-3972
22 Apr 202220:30
–cve
cvelist
Cvelist
CVE-2021-3972
22 Apr 202220:30
–cvelist
euvd
EUVD
EUVD-2021-27177
7 Oct 202500:30
–euvd
kitploit
Kitploit
CVE-2021-3972
15 Oct 202618:22
–kitploit
lenovo
Lenovo
Lenovo Notebook BIOS Vulnerabilities - Lenovo Support US
18 Apr 202215:28
–lenovo
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04 May 2026 08:37Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.7
EPSS0.02835
15