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MEDIUM · 4.3

CVE-2021-3718

A denial of service vulnerability was reported in some ThinkPad models that could cause a system to crash when the Enhanced Biometrics setting is enabled in BIOS.

Vulnerability Description

A denial of service vulnerability was reported in some ThinkPad models that could cause a system to crash when the Enhanced Biometrics setting is enabled in BIOS.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
LenovoThinkpad 11E 3Rd Gen Firmware<= 1.22
LenovoThinkpad 11E 3Rd Gen-
MicrosoftWindows 10-
MicrosoftWindows 7-
MicrosoftWindows 8.1-
LenovoThinkpad 11E 4Th Gen I3 Firmware<= 1.22
LenovoThinkpad 11E 4Th Gen I3-
LenovoThinkpad 11E 4Th Gen I7 Firmware<= 1.22
LenovoThinkpad 11E 4Th Gen I7-
LenovoThinkpad 11E 4Th Gen I5 Firmware<= 1.22
LenovoThinkpad 11E 4Th Gen I5-
LenovoThinkpad 11E 4Th Gen Celeron Firmware<= 1.27
LenovoThinkpad 11E 4Th Gen Celeron-
LenovoThinkpad 11E Yoga Gen 6 Firmware<= 1.12
LenovoThinkpad 11E Yoga Gen 6-
LenovoThinkpad 13 Gen 2 Firmware<= 1.29
LenovoThinkpad 13 Gen 2-
LenovoThinkpad E490 Firmware<= 1.30
LenovoThinkpad E490-
LenovoThinkpad E490S Firmware<= 1.30

Related Weaknesses (CWE)

CWE-232

References

FAQ

What is CVE-2021-3718?

CVE-2021-3718 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A denial of service vulnerability was reported in some ThinkPad models that could cause a system to crash when the Enhanced Biometrics setting is enabled in BIOS.

How severe is CVE-2021-3718?

CVE-2021-3718 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3718?

Check the references section above for vendor advisories and patch information. Affected products include: Lenovo Thinkpad 11E 3Rd Gen Firmware, Lenovo Thinkpad 11E 3Rd Gen, Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1.