CVE-2022-4575

mediumpriority · track · 27OT risk · elevatedEPSS 0.002 · 8 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.18% (8th) EPSS

CVSS 6.7 · medium

Is it mine?

15 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.8 · impact 5.9

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@lenovo.comexploitability 0.8 · impact 5.9

v3.16.1mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-276US

affected products (15)

Products and version ranges known to be affected.

Lenovo BIOSall versionscert_bundDEcpe:/h:lenovo:bios:-
Lenovo ThinkPad BIOSall versionsenisa_euvdEU
lenovo thinkpad 25 firmware< 1.73nvdUScpe:2.3:o:lenovo:thinkpad_25_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad l560 firmware< 1.62nvdUScpe:2.3:o:lenovo:thinkpad_l560_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad p50 firmware< 1.71nvdUScpe:2.3:o:lenovo:thinkpad_p50_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad p50s firmware< 1.45nvdUScpe:2.3:o:lenovo:thinkpad_p50s_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad p70 firmware< 2.45nvdUScpe:2.3:o:lenovo:thinkpad_p70_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad t470 firmware< 1.73nvdUScpe:2.3:o:lenovo:thinkpad_t470_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad t470s firmware< 1.49nvdUScpe:2.3:o:lenovo:thinkpad_t470s_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad t560 firmware< 1.45nvdUScpe:2.3:o:lenovo:thinkpad_t560_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad x1 carbon 4th gen firmware< 1.56nvdUScpe:2.3:o:lenovo:thinkpad_x1_carbon_4th_gen_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad x1 yoga 1st gen firmware< 1.56nvdUScpe:2.3:o:lenovo:thinkpad_x1_yoga_1st_gen_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad x260 firmware< 1.50nvdUScpe:2.3:o:lenovo:thinkpad_x260_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad x270 firmware< 1.47nvdUScpe:2.3:o:lenovo:thinkpad_x270_firmware:*:*:*:*:*:*:*:*
lenovo thinkpad yoga 260 firmware< 1.88nvdUScpe:2.3:o:lenovo:thinkpad_yoga_260_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0656Lenovo BIOS: Mehrere SchwachstellenDeutsch2023-03-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen im Lenovo BIOS ausnutzen, um Sicherheitsvorkehrungen zu umgehen und beliebigen Code auszuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2023-10-30modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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