CVE-2024-8278

7.2 HIGH

📋 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

Products:
  • Lenovo XClarity Controller (XCC)
Versions: XCC firmware versions prior to 2.90.0
Operating Systems: All operating systems on affected Lenovo servers
Default Config Vulnerable: ⚠️ Yes
Notes: Requires XCC administrative access to exploit. Affects various Lenovo server models with vulnerable XCC firmware.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. 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.

🌐 Internet-Facing: LOW (XCC management interfaces typically not exposed to internet)
🏢 Internal Only: HIGH (Internal attackers with XCC admin access can exploit this vulnerability)

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW (for users with XCC admin privileges)

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

all

Limit XCC administrative accounts to only essential personnel and implement strong authentication.

Network Segmentation

all

Isolate 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*")

🔗 References

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