Vulnerability Monitor

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CVE-2021-3452


A potential vulnerability in the system shutdown SMI callback function in some ThinkPad 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 27 products from lenovo, from lenovo, from lenovo and 24 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

2021-07-16T21:15:10.607

Last Modified

2024-11-21T06:21:34.210

Status

Modified

Source

[email protected]

Severity

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

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System lenovo bios - Yes
Hardware lenovo thinkpad_11e_3rd_gen - No
Hardware lenovo thinkpad_11e_4th_gen - No
Hardware lenovo thinkpad_11e_5th_gen - No
Hardware lenovo thinkpad_11e_yoga_gen_6 - No
Hardware lenovo thinkpad_13_gen_2 - No
Hardware lenovo thinkpad_e14_gen_2 - No
Hardware lenovo thinkpad_e15_gen_2 - No
Hardware lenovo thinkpad_l13 - No
Hardware lenovo thinkpad_l13_gen_2 - No
Hardware lenovo thinkpad_l13_yoga - No
Hardware lenovo thinkpad_l13_yogo_gen_2 - No
Hardware lenovo thinkpad_l14 - No
Hardware lenovo thinkpad_l14_gen_2 - No
Hardware lenovo thinkpad_l15 - No
Hardware lenovo thinkpad_l15_gen_2 - No
Hardware lenovo thinkpad_l380 - No
Hardware lenovo thinkpad_l380_yoga - No
Hardware lenovo thinkpad_l390 - No
Hardware lenovo thinkpad_l390_yoga - No
Hardware lenovo thinkpad_t460 - No
Hardware lenovo thinkpad_x12_detachable_gen_1 - No
Hardware lenovo thinkpad_x260 - No
Hardware lenovo thinkpad_x380_yoga - No
Hardware lenovo thinkpad_yoga_11e_3rd_gen - No
Hardware lenovo thinkpad_yoga_11e_4th_gen - No
Hardware lenovo thinkpad_yoga_370 - No
Operating System lenovo bios - 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.