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[email protected]CVE-2022-3744

HistoryAug 23, 2023 - 8:15 p.m.

CVE-2022-3744

2023-08-2320:15:08

CWE-798

[email protected]

web.nvd.nist.gov

lenovo

bios

uefi

vulnerability

cve-2022-3744

security

smi handler

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.4 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:M/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

5.2%

JSON

A potential vulnerability was discovered in LCFC BIOS for some Lenovo consumer notebook models that could allow a local attacker with elevated privileges to unlock UEFI variables due to a hard-coded SMI handler credential.

CPENameOperatorVersion
lenovo:ideapad_1_14iau7_firmwarelenovo ideapad 1 14iau7 firmwareltjkcn34ww
lenovo:ideapad_1_14iau7_firmwarelenovo ideapad 1 14iau7 firmwareeq-

CPE	Name	Operator	Version
lenovo:ideapad_1_14iau7_firmware	lenovo ideapad 1 14iau7 firmware	lt	jkcn34ww
lenovo:ideapad_1_14iau7_firmware	lenovo ideapad 1 14iau7 firmware	eq	-

References

support.lenovo.com/us/en/product_security/LEN-103710

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.4 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:M/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

5.2%

JSON

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