Vulnerability Monitor

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CVE-2022-4575


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.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.7, requiring local system access to exploit with relatively low complexity without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 26 products from lenovo, from lenovo, from lenovo and 23 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2023-10-30T15:15:40.493

Last Modified

2024-11-21T07:35:31.517

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.7 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-276

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System lenovo thinkpad_25_firmware < 1.73 Yes
Hardware lenovo thinkpad_25 - No
Operating System lenovo thinkpad_l560_firmware < 1.62 Yes
Hardware lenovo thinkpad_l560 - No
Operating System lenovo thinkpad_p50_firmware < 1.71 Yes
Hardware lenovo thinkpad_p50 - No
Operating System lenovo thinkpad_p50s_firmware < 1.45 Yes
Hardware lenovo thinkpad_p50s - No
Operating System lenovo thinkpad_p70_firmware < 2.45 Yes
Hardware lenovo thinkpad_p70 - No
Operating System lenovo thinkpad_t470_firmware < 1.73 Yes
Hardware lenovo thinkpad_t470 - No
Operating System lenovo thinkpad_t470s_firmware < 1.49 Yes
Hardware lenovo thinkpad_t470s - No
Operating System lenovo thinkpad_t560_firmware < 1.45 Yes
Hardware lenovo thinkpad_t560 - No
Operating System lenovo thinkpad_x1_carbon_4th_gen_firmware < 1.56 Yes
Hardware lenovo thinkpad_x1_carbon_4th_gen - No
Operating System lenovo thinkpad_x1_yoga_1st_gen_firmware < 1.56 Yes
Hardware lenovo thinkpad_x1_yoga_1st_gen - No
Operating System lenovo thinkpad_x260_firmware < 1.50 Yes
Hardware lenovo thinkpad_x260 - No
Operating System lenovo thinkpad_x270_firmware < 1.47 Yes
Hardware lenovo thinkpad_x270 - No
Operating System lenovo thinkpad_yoga_260_firmware < 1.88 Yes
Hardware lenovo thinkpad_yoga_260 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For lenovo's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.