CVE-2024-1212
📋 TL;DR
CVE-2024-1212 is a critical vulnerability in LoadMaster load balancers that allows unauthenticated remote attackers to execute arbitrary system commands through the management interface. This affects organizations using vulnerable LoadMaster versions, potentially compromising entire network infrastructure.
💻 Affected Systems
- Kemp LoadMaster
- Free LoadMaster
📦 What is this software?
Loadmaster by Progress
Loadmaster by Progress
Loadmaster by Progress
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover, data exfiltration, lateral movement to internal networks, and persistent backdoor installation.
Likely Case
Unauthorized access to sensitive systems, credential theft, service disruption, and deployment of ransomware or crypto-miners.
If Mitigated
Limited impact if management interface is properly firewalled and access-controlled, though risk remains for authorized users.
🎯 Exploit Status
Unauthenticated RCE with CVSS 10.0 suggests trivial exploitation once details are known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: LMOS 7.2.59.2, 7.2.54.8, or 7.2.48.10
Vendor Advisory: https://support.kemptechnologies.com/hc/en-us/articles/23878931058445-LoadMaster-Security-Vulnerability-CVE-2024-1212
Restart Required: Yes
Instructions:
1. Backup current configuration. 2. Download appropriate patch version from Kemp support portal. 3. Upload and apply firmware update via LoadMaster web interface. 4. Reboot system as prompted. 5. Verify version update.
🔧 Temporary Workarounds
Network Isolation
allRestrict access to LoadMaster management interface using firewall rules
Management Interface Restriction
allConfigure LoadMaster to only allow management access from specific trusted IP addresses
Configure via LoadMaster web interface: System Administration > System Configuration > Management Access
🧯 If You Can't Patch
- Immediately firewall management interface to allow only trusted administrative IPs
- Implement network segmentation to isolate LoadMaster from critical internal systems
🔍 How to Verify
Check if Vulnerable:
Check LMOS version via web interface: System Administration > System Configuration > System InformationCheck Version:
Via SSH: cat /etc/version or via web interface as aboveVerify Fix Applied:
Confirm version is 7.2.59.2, 7.2.54.8, or 7.2.48.10 or later📡 Detection & Monitoring
Log Indicators:
- Unauthenticated access attempts to management interface
- Unusual command execution patterns in system logs
- Failed authentication followed by successful command execution
Network Indicators:
- Unusual outbound connections from LoadMaster
- Traffic to management interface from unexpected sources
- Command and control beaconing patterns
SIEM Query:
source="loadmaster" AND (event_type="authentication_failure" OR event_type="command_execution") AND NOT src_ip IN [trusted_admin_ips]🔗 References
- https://freeloadbalancer.com/
- https://kemptechnologies.com/
- https://support.kemptechnologies.com/hc/en-us/articles/23878931058445-LoadMaster-Security-Vulnerability-CVE-2024-1212
- https://support.kemptechnologies.com/hc/en-us/articles/24325072850573-Release-Notice-LMOS-7-2-59-2-7-2-54-8-7-2-48-10-CVE-2024-1212
- https://freeloadbalancer.com/
- https://kemptechnologies.com/
- https://support.kemptechnologies.com/hc/en-us/articles/23878931058445-LoadMaster-Security-Vulnerability-CVE-2024-1212
- https://support.kemptechnologies.com/hc/en-us/articles/24325072850573-Release-Notice-LMOS-7-2-59-2-7-2-54-8-7-2-48-10-CVE-2024-1212
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-1212
