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MEDIUM · 6.7

CVE-2021-4212

A potential vulnerability in the SMI callback function used in the Legacy BIOS mode driver in some Lenovo Notebook models may allow an attacker with local access and elevated privileges to execute arb...

Vulnerability Description

A potential vulnerability in the SMI callback function used in the Legacy BIOS mode driver in some Lenovo Notebook models may allow an attacker with local access and elevated privileges to execute arbitrary code.

CVSS Score

6.7

MEDIUM

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

Affected Products

VendorProductVersions
LenovoC340-14Iml Firmware-
LenovoC340-14Iml-
LenovoC340-15Iml Firmware-
LenovoC340-15Iml-
LenovoD330-10Igm Firmware-
LenovoD330-10Igm-
LenovoDuet 3-10Igl5 Firmware-
LenovoDuet 3-10Igl5-
LenovoE41-50 Firmware-
LenovoE41-50-
LenovoFlex-14Iml Firmware-
LenovoFlex-14Iml-
LenovoFlex-15Iml Firmware-
LenovoFlex-15Iml-
LenovoIdeapad 3-14Are05 Firmware-
LenovoIdeapad 3-14Are05-
LenovoIdeapad 3-15Are05 Firmware-
LenovoIdeapad 3-15Are05-
LenovoIdeapad 3-17Are05 Firmware-
LenovoIdeapad 3-17Are05-

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2021-4212?

CVE-2021-4212 is a vulnerability with a CVSS score of 6.7 (MEDIUM). A potential vulnerability in the SMI callback function used in the Legacy BIOS mode driver in some Lenovo Notebook models may allow an attacker with local access and elevated privileges to execute arb...

How severe is CVE-2021-4212?

CVE-2021-4212 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-4212?

Check the references section above for vendor advisories and patch information. Affected products include: Lenovo C340-14Iml Firmware, Lenovo C340-14Iml, Lenovo C340-15Iml Firmware, Lenovo C340-15Iml, Lenovo D330-10Igm Firmware.