6.7
MEDIUM
CVE-2022-4575
Lenovo ThinkPad BIOS UEFI Variable Write Protection Bypass
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.

INFO

Published Date :

Oct. 30, 2023, 3:15 p.m.

Last Modified :

Nov. 8, 2023, 12:24 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.8
Affected Products

The following products are affected by CVE-2022-4575 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Lenovo thinkpad_t470_firmware
2 Lenovo thinkpad_t470s_firmware
3 Lenovo thinkpad_x270_firmware
4 Lenovo thinkpad_x260_firmware
5 Lenovo thinkpad_l560_firmware
6 Lenovo thinkpad_p50_firmware
7 Lenovo thinkpad_p50s_firmware
8 Lenovo thinkpad_p70_firmware
9 Lenovo thinkpad_t560_firmware
10 Lenovo thinkpad_yoga_260_firmware
11 Lenovo thinkpad_x1_yoga_1st_gen_firmware
12 Lenovo thinkpad_x1_carbon_4th_gen_firmware
13 Lenovo thinkpad_25_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-4575.

URL Resource
https://support.lenovo.com/us/en/product_security/LEN-106014 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-4575 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-4575 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Nov. 08, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.lenovo.com/us/en/product_security/LEN-106014 No Types Assigned https://support.lenovo.com/us/en/product_security/LEN-106014 Vendor Advisory
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_25_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.73 OR cpe:2.3:h:lenovo:thinkpad_25:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l560_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.62 OR cpe:2.3:h:lenovo:thinkpad_l560:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.71 OR cpe:2.3:h:lenovo:thinkpad_p50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p50s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.45 OR cpe:2.3:h:lenovo:thinkpad_p50s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p70_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.45 OR cpe:2.3:h:lenovo:thinkpad_p70:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t470_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.73 OR cpe:2.3:h:lenovo:thinkpad_t470:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t470s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.49 OR cpe:2.3:h:lenovo:thinkpad_t470s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t560_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.45 OR cpe:2.3:h:lenovo:thinkpad_t560:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x1_carbon_4th_gen_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.56 OR cpe:2.3:h:lenovo:thinkpad_x1_carbon_4th_gen:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x1_yoga_1st_gen_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.56 OR cpe:2.3:h:lenovo:thinkpad_x1_yoga_1st_gen:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x260_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.50 OR cpe:2.3:h:lenovo:thinkpad_x260:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x270_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.47 OR cpe:2.3:h:lenovo:thinkpad_x270:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_yoga_260_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.88 OR cpe:2.3:h:lenovo:thinkpad_yoga_260:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-4575 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-4575 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.07283

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability