Local Code Execution Vulnerability in Lenovo ThinkCentre and ThinkStation Products
CVE-2021-3719

6.7MEDIUM

Key Information:

Vendor
Lenovo
Status
Thinkcentre And Thinkstation BiOS
Vendor
CVE Published:
12 November 2021

Summary

A potential security flaw exists in the SMI callback function utilized for saving and restoring boot script tables in certain Lenovo ThinkCentre and ThinkStation models. This vulnerability could allow an attacker with local access and elevated privileges to execute arbitrary code, potentially compromising the system’s integrity and confidentiality. It is crucial for users to stay informed and take necessary precautions to mitigate risks associated with this vulnerability.

Affected Version(s)

ThinkCentre and ThinkStation BIOS various

References

https://support.lenovo.com/us/en/product_security/LEN-67440
x_refsource_MISC

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lenovo thanks Jiawei Yin(@yngweijw), Menghao Li, and Chengxi, Chen of IIE varas for reporting this issue.
.