CVE-2024-38512
📋 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. Attackers could gain full system control by exploiting this command injection flaw. Organizations using affected Lenovo server hardware with XCC are at risk.
💻 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
Complete system compromise allowing attackers to execute arbitrary commands with highest privileges, potentially leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Privileged authenticated users could escalate their access beyond intended permissions, potentially gaining full control over the server management interface and underlying systems.
If Mitigated
With proper network segmentation and strict access controls, impact would be limited to the management interface with minimal lateral movement potential.
🎯 Exploit Status
Requires authenticated access with elevated XCC privileges and knowledge of IPMI command injection techniques.
🛠️ 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-156781
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 XCC controller when prompted.
🔧 Temporary Workarounds
Restrict XCC Access
allLimit XCC management interface access to only authorized administrators using network segmentation and firewall rules.
Reduce Privileged Accounts
allMinimize the number of users with elevated XCC privileges and implement strict access controls.
🧯 If You Can't Patch
- Isolate XCC management interfaces on dedicated VLANs with strict firewall rules
- Implement multi-factor authentication for all XCC administrative access
🔍 How to Verify
Check if Vulnerable:
Check XCC firmware version via web interface or IPMI command: 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 the same method📡 Detection & Monitoring
Log Indicators:
- Unusual IPMI command patterns in XCC logs
- Multiple failed authentication attempts followed by successful privileged access
- Unexpected command execution events
Network Indicators:
- Unusual traffic to XCC management ports (623/UDP, 664/TCP)
- IPMI command sequences from unexpected sources
SIEM Query:
source="xcc_logs" AND (event_type="command_execution" OR protocol="IPMI") AND severity="high"