CVEvulnerability

CVE-2022-4575

6.7 MEDIUM Published 2023-10-30 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-10-30
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.7 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
6.7 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-276

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.

Affected configurations

• lenovo thinkpad 25 firmware (< 1.73) • lenovo thinkpad l560 firmware (< 1.62) • lenovo thinkpad p50 firmware (< 1.71) • lenovo thinkpad p50s firmware (< 1.45) • lenovo thinkpad p70 firmware (< 2.45) • lenovo thinkpad t470 firmware (< 1.73) • lenovo thinkpad t470s firmware (< 1.49) • lenovo thinkpad t560 firmware (< 1.45) • lenovo thinkpad x1 carbon 4th gen firmware (< 1.56) • lenovo thinkpad x1 yoga 1st gen firmware (< 1.56) • lenovo thinkpad x260 firmware (< 1.50) • lenovo thinkpad x270 firmware (< 1.47) • lenovo thinkpad yoga 260 firmware (< 1.88)

Related

Weakness · CWE (1)

  • CWE-276 Incorrect Default Permissions weakness

References