CVE-2024-12673 in Vantage
Summary
by MITRE • 02/12/2025
An improper privilege vulnerability was reported in a BIOS customization feature of Lenovo Vantage on SMB notebook devices which could allow a local attacker to elevate privileges on the system.
This vulnerability only affects Vantage installed on these devices:
* Lenovo V Series (Gen 5) * ThinkBook 14 (Gen 6, 7) * ThinkBook 16 (Gen 6, 7) * ThinkPad E Series (Gen 1)
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Analysis
by VulDB Data Team • 02/12/2025
The vulnerability CVE-2024-12673 represents a critical privilege escalation flaw within the BIOS customization functionality of Lenovo Vantage software installed on specific notebook models. This issue stems from inadequate privilege validation mechanisms within the system's firmware interface, creating a pathway for local attackers to gain elevated system privileges. The vulnerability specifically targets Lenovo's Vantage application, which serves as a system management tool providing access to various hardware customization features including BIOS settings and system configuration parameters. The flaw manifests when the application fails to properly verify user privileges before executing privileged operations, allowing unauthorized local users to bypass normal access controls and execute administrative functions.
The technical implementation of this vulnerability involves a privilege validation bypass in the BIOS customization module of Lenovo Vantage. When users attempt to modify system-level settings through the application interface, the software does not adequately authenticate whether the executing user possesses sufficient privileges to perform such operations. This misconfiguration creates a condition where any local user account can potentially invoke privileged BIOS functions through the Vantage application, effectively allowing privilege escalation from standard user to administrative level. The flaw exists within the application's access control mechanisms rather than at the operating system level, making it particularly concerning as it operates within the system's firmware domain. This vulnerability type aligns with CWE-276, which describes improper privilege management, and represents a classic example of insufficient privilege checking in system management interfaces.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it provides attackers with access to critical system-level functions that could be exploited for persistent system compromise. Attackers could leverage this vulnerability to modify BIOS settings, disable security features, install malicious firmware components, or create backdoors within the system's firmware layer. The affected device models represent a significant portion of Lenovo's commercial and business notebook lineup, including the V Series Gen 5 and ThinkBook series from Gen 6 through 7, which are widely deployed in enterprise environments. This creates a substantial risk profile for organizations where local attackers might exploit this vulnerability to gain unauthorized access to sensitive corporate data or establish persistent access points within their network infrastructure. The vulnerability's presence in system management software like Lenovo Vantage makes it particularly dangerous as it operates at a level below typical operating system security controls, potentially allowing attackers to subvert security measures such as Windows Defender or other endpoint protection systems.
Mitigation strategies for CVE-2024-12673 should focus on immediate software updates from Lenovo, which will address the privilege validation bypass in the Vantage application. Organizations should also implement network segmentation to limit local user access to affected systems, particularly in enterprise environments where multiple users share devices. System administrators should monitor for unauthorized BIOS modifications and implement firmware integrity checking mechanisms to detect potential exploitation attempts. The vulnerability demonstrates the importance of proper privilege management in system-level applications and aligns with ATT&CK technique T1068, which covers privilege escalation through local exploitation. Additionally, organizations should consider implementing least privilege principles for local user accounts and regularly audit system access controls to prevent unauthorized privilege escalation. The affected devices require immediate patching through Lenovo's official update channels, as the vulnerability exists within the firmware customization layer that cannot be addressed through traditional operating system security measures alone.