CVE-2024-12673
📋 TL;DR
A local privilege escalation vulnerability in Lenovo Vantage's BIOS customization feature allows attackers with local access to gain elevated system privileges. This affects specific Lenovo business notebook models running the vulnerable software. Only users of listed Lenovo V Series, ThinkBook, and ThinkPad E Series devices are impacted.
💻 Affected Systems
- Lenovo V Series (Gen 5)
- ThinkBook 14 (Gen 6, 7)
- ThinkBook 16 (Gen 6, 7)
- ThinkPad E Series (Gen 1)
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
An attacker with local access could gain full administrative control over the system, install persistent malware, access sensitive data, and compromise the entire device.
Likely Case
Malicious local users or malware with limited privileges could escalate to SYSTEM/administrator level to disable security controls, install additional payloads, or maintain persistence.
If Mitigated
With proper access controls and least privilege principles, the attack surface is reduced, though the vulnerability still exists in the software.
🎯 Exploit Status
Requires local access to the system. No public exploit code is known at this time, but the vulnerability is documented in the vendor advisory.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update Lenovo Vantage to latest version as specified in vendor advisory
Vendor Advisory: https://support.lenovo.com/us/en/product_security/LEN-183176
Restart Required: No
Instructions:
1. Open Lenovo Vantage application. 2. Check for updates in the settings or update section. 3. Install all available updates. 4. Alternatively, download and install the latest version from Lenovo's official support website.
🔧 Temporary Workarounds
Uninstall Lenovo Vantage
WindowsRemove the vulnerable software entirely if BIOS customization features are not required
Control Panel > Programs > Uninstall a program > Select Lenovo Vantage > Uninstall
Restrict Local Access
allImplement strict access controls to prevent unauthorized local access to affected systems
🧯 If You Can't Patch
- Implement strict physical security controls for affected devices
- Apply principle of least privilege to all user accounts and monitor for suspicious privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check if you have an affected Lenovo model and Lenovo Vantage installed. Verify model in System Information or Lenovo Vantage about section.Check Version:
wmic product where name="Lenovo Vantage" get versionVerify Fix Applied:
Check Lenovo Vantage version after update and confirm it matches the patched version in the vendor advisory.📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege escalation events
- Suspicious process creation from Lenovo Vantage components
- Windows Event Logs showing unexpected SYSTEM privilege acquisition
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
EventID=4688 AND ProcessName LIKE '%vantage%' AND NewProcessName LIKE '%cmd%' OR '%powershell%'