Vulnerability Monitor

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CVE-2020-8334


The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.1, with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 14 products from lenovo, from lenovo, from lenovo and 11 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, 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

2020-06-09T20:15:22.600

Last Modified

2024-11-21T05:38:43.850

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-754

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System lenovo thinkpad_t495s_firmware - Yes
Hardware lenovo thinkpad_t495s - No
Operating System lenovo thinkpad_x395_firmware - Yes
Hardware lenovo thinkpad_x395 - No
Operating System lenovo thinkpad_t495_firmware - Yes
Hardware lenovo thinkpad_t495 - No
Operating System lenovo thinkpad_a485_firmware - Yes
Hardware lenovo thinkpad_a485 - No
Operating System lenovo thinkpad_a285_firmware - Yes
Hardware lenovo thinkpad_a285 - No
Operating System lenovo thinkpad_a475_firmware - Yes
Hardware lenovo thinkpad_a475 - No
Operating System lenovo thinkpad_a275_firmware - Yes
Hardware lenovo thinkpad_a275 - 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.