Vulnerability Monitor

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CVE-2020-8333


A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow arbitrary code execution


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.4, requiring local system access to exploit but requires specific conditions to be met without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 54 products from lenovo, from lenovo, from lenovo and 51 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

2020-09-24T21:15:15.873

Last Modified

2024-11-21T05:38:43.713

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.4 (MEDIUM)

CVSSv2 Vector

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

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

3.9

Impact Score

10.0

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System lenovo 63_firmware < fckt98a Yes
Hardware lenovo 63 - No
Operating System lenovo h50-30g_firmware < fckt98a Yes
Hardware lenovo h50-30g - No
Operating System lenovo m4500_firmware < fckt98a Yes
Hardware lenovo m4500 - No
Operating System lenovo m4550_firmware < fckt98a Yes
Hardware lenovo m4550 - No
Operating System lenovo qitian_4500_firmware < fckt98a Yes
Hardware lenovo qitian_4500 - No
Operating System lenovo qitian_b4550_firmware < fckt98a Yes
Hardware lenovo qitian_b4550 - No
Operating System lenovo qitian_m4550_firmware < fckt98a Yes
Hardware lenovo qitian_m4550 - No
Operating System lenovo thinkcentre_e73_firmware < fckt98a Yes
Hardware lenovo thinkcentre_e73 - No
Operating System lenovo thinkcentre_e73s_firmware < fckt98a Yes
Hardware lenovo thinkcentre_e73s - No
Operating System lenovo thinkcentre_e93_firmware < fbktdea Yes
Hardware lenovo thinkcentre_e93 - No
Operating System lenovo thinkcentre_m4500k_firmware < fckt98a Yes
Hardware lenovo thinkcentre_m4500k - No
Operating System lenovo thinkcentre_m4500q_firmware < fhkt85a Yes
Hardware lenovo thinkcentre_m4500q - No
Operating System lenovo thinkcentre_m4500t_firmware < fckt98a Yes
Hardware lenovo thinkcentre_m4500t - No
Operating System lenovo thinkcentre_m4500s_firmware < fckt98a Yes
Hardware lenovo thinkcentre_m4500s - No
Operating System lenovo yangtian_afh81_firmware < fckt98a Yes
Hardware lenovo yangtian_afh81 - No
Operating System lenovo yangtian_mc_h81_firmware < fckt98a Yes
Hardware lenovo yangtian_mc_h81 - No
Operating System lenovo yangtian_mf_h81_pci_firmware < fckt98a Yes
Hardware lenovo yangtian_mf_h81_pci - No
Operating System lenovo yangtian_wf_h81_pci_firmware < fckt98a Yes
Hardware lenovo yangtian_wf_h81_pci - No
Operating System lenovo yangtian_tc_h81_pci_firmware < fckt98a Yes
Hardware lenovo yangtian_tc_h81_pci - No
Operating System lenovo yangtian_wcc_h81_pci_firmware < fckt98a Yes
Hardware lenovo yangtian_wcc_h81_pci - No
Operating System lenovo thinkcentre_m9350z_firmware < fekta2a Yes
Hardware lenovo thinkcentre_m9350z - No
Operating System lenovo thinkcentre_m93z_firmware < fekta2a Yes
Hardware lenovo thinkcentre_m93z - No
Operating System lenovo thinkstation_c30_firmware < a3kt70a Yes
Hardware lenovo thinkstation_c30 - No
Operating System lenovo thinkstation_d30_firmware < a3kt70a Yes
Hardware lenovo thinkstation_d30 - No
Operating System lenovo thinkstation_e32_firmware < fbktdea Yes
Hardware lenovo thinkstation_e32 - No
Operating System lenovo thinkstation_p300_firmware < a2kt70a Yes
Hardware lenovo thinkstation_p300 - No
Operating System lenovo thinkstation_s30_firmware < a2kt70a Yes
Hardware lenovo thinkstation_s30 - 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.