Privilege Escalation Vulnerability in Lenovo Notebook Systems
CVE-2021-3614

6.4MEDIUM

Key Information:

Vendor
Lenovo
Status
Notebook BiOS
Vendor
CVE Published:
16 July 2021

Summary

A vulnerability exists in specific Lenovo Notebook systems that may allow an attacker with physical access to exploit the system. This can occur during a BIOS update processed through Lenovo Vantage, potentially enabling unauthorized privilege elevation. Users and system administrators should take caution during BIOS updates and ensure that physical access to devices is restricted.

Affected Version(s)

Notebook BIOS various

References

https://support.lenovo.com/us/en/product_security/LEN-65529
x_refsource_MISC

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lenovo thanks Tim Boyd, NCC Group for reporting this issue.
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