CVE-2024-8278
📋 TL;DR
This privilege escalation vulnerability in Lenovo XClarity Controller (XCC) allows authenticated users with elevated privileges to execute arbitrary commands through specially crafted IPMI commands. It affects Lenovo servers with vulnerable XCC firmware versions. Attackers could gain full system control from a privileged XCC account.
💻 Affected Systems
- Lenovo XClarity Controller (XCC)
⚠️ 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
Full server compromise leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Privileged attacker gains root access to the server, potentially installing backdoors or manipulating system configurations.
If Mitigated
Limited impact if proper access controls restrict XCC administrative access to trusted personnel only.
🎯 Exploit Status
Exploitation requires authenticated XCC administrative access. The vulnerability is in IPMI command handling.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: XCC firmware version 2.90.0 or later
Vendor Advisory: https://support.lenovo.com/us/en/product_security/LEN-172051
Restart Required: Yes
Instructions:
1. Download XCC firmware 2.90.0 or later from Lenovo Support. 2. Log into XCC web interface. 3. Navigate to Firmware Update section. 4. Upload and apply the firmware update. 5. Reboot the server to complete installation.
🔧 Temporary Workarounds
Restrict XCC Administrative Access
allLimit XCC administrative accounts to only essential personnel and implement strong authentication.
Network Segmentation
allIsolate XCC management interfaces from general user networks using VLANs or firewalls.
🧯 If You Can't Patch
- Implement strict access controls for XCC administrative interfaces
- Monitor XCC logs for unusual IPMI command patterns
🔍 How to Verify
Check if Vulnerable:
Check XCC firmware version via web interface or IPMI tool: ipmitool mc info | grep 'Firmware Revision'
Check Version:
ipmitool mc info | grep 'Firmware Revision'
Verify Fix Applied:
Confirm XCC firmware version is 2.90.0 or higher using same method
📡 Detection & Monitoring
Log Indicators:
- Unusual IPMI command patterns in XCC logs
- Multiple failed authentication attempts followed by successful login
Network Indicators:
- Unusual IPMI traffic to XCC management interface
- Suspicious commands in IPMI payloads
SIEM Query:
source="xcc_logs" AND (command="*injection*" OR command="*privilege*" OR command="*escalation*")