Vulnerability · Published Oct 30, 2023 · Assigned by lenovo

CVE-2022-4575

Medium 6.7

In plain English

A medium-severity incorrect default permissions in ThinkPad BIOS from Lenovo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.2%top 92.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
Lenovo ThinkPad BIOS various

Weakness: CWE-276 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References