Vulnerability Monitor

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CVE-2020-12290


Improper access control in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.5, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 26 products from intel, from intel, from intel and 23 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, 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

2021-06-09T19:15:08.377

Last Modified

2024-11-21T04:59:27.547

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

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

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

3.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System intel jhl6240_thunderbolt_3_firmware < 21 Yes
Hardware intel jhl6240_thunderbolt_3 - No
Operating System intel jhl6340_thunderbolt_3_firmware < 46 Yes
Hardware intel jhl6340_thunderbolt_3 - No
Operating System intel jhl6540_thunderbolt_3_firmware < 46 Yes
Hardware intel jhl6540_thunderbolt_3 - No
Operating System intel jhl7040_thunderbolt_3_retimer_firmware < 22 Yes
Hardware intel jhl7040_thunderbolt_3_retimer - No
Operating System intel jhl7340_thunderbolt_3_firmware < 60 Yes
Hardware intel jhl7340_thunderbolt_3 - No
Operating System intel jhl7440_thunderbolt_3_firmware < 60 Yes
Hardware intel jhl7440_thunderbolt_3 - No
Operating System intel jhl7540_thunderbolt_3_firmware < 60 Yes
Hardware intel jhl7540_thunderbolt_3 - No
Operating System intel jhl8010r_usb_retimer_firmware < 41 Yes
Hardware intel jhl8010r_usb_retimer - No
Operating System intel dsl5320_thunderbolt_2_firmware * Yes
Hardware intel dsl5320_thunderbolt_2 - No
Operating System intel dsl5520_thunderbolt_2_firmware * Yes
Hardware intel dsl5520_thunderbolt_2 - No
Operating System intel dsl6340_thunderbolt_3_firmware * Yes
Hardware intel dsl6340_thunderbolt_3 - No
Operating System intel dsl6540_thunderbolt_3_firmware * Yes
Hardware intel dsl6540_thunderbolt_3 - No
Operating System intel jhl8040r_thunderbolt_4_retimer_firmware < 41 Yes
Hardware intel jhl8040r_thunderbolt_4_retimer - 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 intel'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.