Is CVE-2023-4029 in the CISA KEV catalog?

No. CVE-2023-4029 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4029?

CVE-2023-4029 has a CVSS v3 base score of 6.7 (MEDIUM).

What is the EPSS score for CVE-2023-4029?

CVE-2023-4029 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4029?

Upgrade k14 type 21cu firmware to 1.12 or later. Fixes are available for 26 affected products.

CVE & CISA-KEV Catalog

CVE-2023-4029

MEDIUM

6.7

CVSS v3

NVD

Description

A buffer overflow has been identified in the BoardUpdateAcpiDxe driver in some Lenovo ThinkPad products which may allow an attacker with local access and elevated privileges to execute arbitrary code.

CWE-120Classic Buffer Overflow

How to fix

Remediation Available

k14 type 21cu firmwareNVD

Affected:< 1.12Fixed in:1.12CVE-2023-4029derived from NVD

k14 type 21cv firmwareNVD

Affected:< 1.12Fixed in:1.12CVE-2023-4029derived from NVD

thinkpad e14 gen 3 firmwareNVD

Affected:< 1.15Fixed in:1.15CVE-2023-4029derived from NVD

thinkpad e15 gen 3 firmwareNVD

Affected:< 1.15Fixed in:1.15CVE-2023-4029derived from NVD

thinkpad l13 gen 2 firmwareNVD

Affected:< 1.30Fixed in:1.30CVE-2023-4029derived from NVD

thinkpad l13 gen 3 firmwareNVD

Affected:< 1.19Fixed in:1.19CVE-2023-4029derived from NVD

thinkpad l13 gen 4 firmwareNVD

Affected:< 1.10Fixed in:1.10CVE-2023-4029derived from NVD

thinkpad l13 yoga gen 2 firmwareNVD

Affected:< 1.30Fixed in:1.30CVE-2023-4029derived from NVD

thinkpad l13 yoga gen 3 firmwareNVD

Affected:< 1.19Fixed in:1.19CVE-2023-4029derived from NVD

thinkpad l13 yoga gen 4 firmwareNVD

Affected:< 1.10Fixed in:1.10CVE-2023-4029derived from NVD

thinkpad l14 gen 2 firmwareNVD

Affected:< 1.28Fixed in:1.28CVE-2023-4029derived from NVD

thinkpad l14 gen 3 firmwareNVD

Affected:< 1.23Fixed in:1.23CVE-2023-4029derived from NVD

thinkpad l14 gen 4 firmwareNVD

Affected:< 1.06Fixed in:1.06CVE-2023-4029derived from NVD

thinkpad l15 gen 2 firmwareNVD

Affected:< 1.28Fixed in:1.28CVE-2023-4029derived from NVD

thinkpad l15 gen 3 firmwareNVD

Affected:< 1.23Fixed in:1.23CVE-2023-4029derived from NVD

thinkpad l15 gen 4 firmwareNVD

Affected:< 1.06Fixed in:1.06CVE-2023-4029derived from NVD

thinkpad p14s gen 2 firmwareNVD

Affected:< 1.34Fixed in:1.34CVE-2023-4029derived from NVD

thinkpad s2 gen 6 firmwareNVD

Affected:< 1.30Fixed in:1.30CVE-2023-4029derived from NVD

thinkpad s2 gen 7 firmwareNVD

Affected:< 1.19Fixed in:1.19CVE-2023-4029derived from NVD

thinkpad s2 gen 8 firmwareNVD

Affected:< 1.10Fixed in:1.10CVE-2023-4029derived from NVD

thinkpad s2 yoga gen 6 firmwareNVD

Affected:< 1.30Fixed in:1.30CVE-2023-4029derived from NVD

thinkpad s2 yoga gen 7 firmwareNVD

Affected:< 1.19Fixed in:1.19CVE-2023-4029derived from NVD

thinkpad s2 yoga gen 8 firmwareNVD

Affected:< 1.10Fixed in:1.10CVE-2023-4029derived from NVD

thinkpad t14 gen 2 firmwareNVD

Affected:< 1.34Fixed in:1.34CVE-2023-4029derived from NVD

thinkpad t14s gen 2 firmwareNVD

Affected:< 1.37Fixed in:1.37CVE-2023-4029derived from NVD

thinkpad x13 gen 2 firmwareNVD

Affected:< 1.37Fixed in:1.37CVE-2023-4029derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.18%probability of exploitation in 30 days

8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Vendor Advisory1

support.lenovo.com

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0195	Medium	6.8	100%	-	Fix
CVE-2017-7269	Critical	9.8	100%	KEV	-
CVE-2019-11043	High	8.7	99%	KEV + Ransom	Fix
CVE-2011-4862	High	10.0	95%	-	Fix
CVE-2007-5659	High	7.8	94%	KEV	Fix
CVE-2022-3786	High	7.5	91%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.