Vulnerability Monitor

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CVE-2021-3719


A potential vulnerability in the SMI callback function that saves and restore boot script tables used for resuming from sleep state in some ThinkCentre and ThinkStation models may allow an attacker with local access and elevated privileges to execute arbitrary code.


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 40 products from lenovo, from lenovo, from lenovo and 37 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

2021-11-12T22:15:07.957

Last Modified

2024-11-21T06:22:14.657

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.7 (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: Secondary
    CWE-20
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System lenovo thinkcentre_e93_firmware < fbktdfa Yes
Hardware lenovo thinkcentre_e93 - No
Operating System lenovo thinkcentre_m600_firmware < m00kt65a Yes
Hardware lenovo thinkcentre_m600 - No
Operating System lenovo thinkcentre_m700_tiny_firmware < fwktb9a Yes
Hardware lenovo thinkcentre_m700_tiny - No
Operating System lenovo thinkcentre_m73_firmware < fhkt86a Yes
Hardware lenovo thinkcentre_m73 - No
Operating System lenovo thinkcentre_m73p_firmware < fbktdfa Yes
Hardware lenovo thinkcentre_m73p - No
Operating System lenovo thinkcentre_m800_firmware < fwktb9a Yes
Hardware lenovo thinkcentre_m800 - No
Operating System lenovo thinkcentre_m818z_firmware < m1ekt23a Yes
Hardware lenovo thinkcentre_m818z - No
Operating System lenovo thinkcentre_m83_firmware < fbktdfa Yes
Hardware lenovo thinkcentre_m83 - No
Operating System lenovo thinkcentre_m900_firmware < fwktb9a Yes
Hardware lenovo thinkcentre_m900 - No
Operating System lenovo thinkcentre_m900x_firmware < fwktb9a Yes
Hardware lenovo thinkcentre_m900x - No
Operating System lenovo thinkcentre_m93_firmware < fbktdfa Yes
Hardware lenovo thinkcentre_m93 - No
Operating System lenovo thinkcentre_m93p_firmware < fbktdfa Yes
Hardware lenovo thinkcentre_m93p - No
Operating System lenovo thinkcentre_m4500q_firmware < fhkt86a Yes
Hardware lenovo thinkcentre_m4500q - No
Operating System lenovo thinkcentre_m6500t\/s_firmware < fbktdfa Yes
Hardware lenovo thinkcentre_m6500t\/s - No
Operating System lenovo thinkcentre_m8500t\/s_firmware < fbktdfa Yes
Hardware lenovo thinkcentre_m8500t\/s - No
Operating System lenovo thinkcentre_x1_firmware < m0hkt50a Yes
Hardware lenovo thinkcentre_x1 - No
Operating System lenovo thinkstation_p300_firmware < fbktdfa Yes
Hardware lenovo thinkstation_p300 - No
Operating System lenovo thinkstation_p500_firmware < a4ktaba Yes
Hardware lenovo thinkstation_p500 - No
Operating System lenovo thinkstation_p700_firmware < a5ktaba Yes
Hardware lenovo thinkstation_p700 - No
Operating System lenovo thinkstation_p900_firmware < a6ktaba Yes
Hardware lenovo thinkstation_p900 - 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.