Is CVE-2022-4575 in the CISA KEV catalog?

No. CVE-2022-4575 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-4575?

CVE-2022-4575 has a CVSS v3 base score of 6.7 (MEDIUM).

What is the EPSS score for CVE-2022-4575?

CVE-2022-4575 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-4575?

Upgrade thinkpad 25 firmware to 1.73 or later. Fixes are available for 13 affected products.

CVE & CISA-KEV Catalog

CVE-2022-4575

MEDIUM

6.7

CVSS v3

NVD

Description

A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot.

CWE-276

How to fix

Remediation Available

thinkpad 25 firmwareNVD

Affected:< 1.73Fixed in:1.73CVE-2022-4575derived from NVD

thinkpad l560 firmwareNVD

Affected:< 1.62Fixed in:1.62CVE-2022-4575derived from NVD

thinkpad p50 firmwareNVD

Affected:< 1.71Fixed in:1.71CVE-2022-4575derived from NVD

thinkpad p50s firmwareNVD

Affected:< 1.45Fixed in:1.45CVE-2022-4575derived from NVD

thinkpad p70 firmwareNVD

Affected:< 2.45Fixed in:2.45CVE-2022-4575derived from NVD

thinkpad t470 firmwareNVD

Affected:< 1.73Fixed in:1.73CVE-2022-4575derived from NVD

thinkpad t470s firmwareNVD

Affected:< 1.49Fixed in:1.49CVE-2022-4575derived from NVD

thinkpad t560 firmwareNVD

Affected:< 1.45Fixed in:1.45CVE-2022-4575derived from NVD

thinkpad x1 carbon 4th gen firmwareNVD

Affected:< 1.56Fixed in:1.56CVE-2022-4575derived from NVD

thinkpad x1 yoga 1st gen firmwareNVD

Affected:< 1.56Fixed in:1.56CVE-2022-4575derived from NVD

thinkpad x260 firmwareNVD

Affected:< 1.50Fixed in:1.50CVE-2022-4575derived from NVD

thinkpad x270 firmwareNVD

Affected:< 1.47Fixed in:1.47CVE-2022-4575derived from NVD

thinkpad yoga 260 firmwareNVD

Affected:< 1.88Fixed in:1.88CVE-2022-4575derived 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-276 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-0632	Critical	9.8	94%	KEV	-
CVE-2017-11610	High	8.8	88%	-	Fix
CVE-2023-29919	Critical	9.1	60%	-	-
CVE-2019-17124	Critical	9.8	23%	-	-
CVE-2020-12608	High	7.8	22%	-	Fix
CVE-2021-3437	Critical	9.8	16%	-	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.