CVE-2024-51771
📋 TL;DR
This vulnerability allows authenticated remote attackers to execute arbitrary commands on HPE Aruba ClearPass Policy Manager systems through the web management interface. Organizations using affected ClearPass versions are at risk of complete system compromise.
💻 Affected Systems
- HPE Aruba Networking ClearPass Policy Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise leading to data exfiltration, lateral movement, and persistent backdoor installation across the network.
Likely Case
Attackers gain administrative control over ClearPass, allowing them to modify policies, steal credentials, and pivot to other network resources.
If Mitigated
Limited impact due to network segmentation, strong authentication controls, and monitoring preventing successful exploitation.
🎯 Exploit Status
Requires authenticated access but could be combined with credential theft or social engineering
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.12.9, 6.13.5, or 6.14.0
Vendor Advisory: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw04761en_us&docLocale=en_US
Restart Required: No
Instructions:
1. Backup ClearPass configuration. 2. Download appropriate patch version from HPE support portal. 3. Apply patch via ClearPass web interface or CLI. 4. Verify successful update.
🔧 Temporary Workarounds
Restrict Management Interface Access
allLimit access to ClearPass web management interface to trusted IP addresses only
Configure firewall rules to restrict access to ClearPass management ports (TCP 443, 22)
Enforce Strong Authentication
allRequire multi-factor authentication for all administrative accounts
Enable MFA in ClearPass Policy Manager settings
🧯 If You Can't Patch
- Implement network segmentation to isolate ClearPass from critical systems
- Enable detailed logging and monitoring for suspicious authentication attempts and command execution
🔍 How to Verify
Check if Vulnerable:
Check ClearPass version via web interface (Admin > Support > About) or CLI command 'show version'Check Version:
show versionVerify Fix Applied:
Verify version is 6.12.9, 6.13.5, or 6.14.0 or later📡 Detection & Monitoring
Log Indicators:
- Unusual authentication patterns
- Unexpected command execution in system logs
- Multiple failed login attempts followed by successful login
Network Indicators:
- Unusual outbound connections from ClearPass system
- Traffic to unexpected ports or IP addresses
SIEM Query:
source="clearpass" AND (event_type="authentication" AND result="success" AND user="admin") OR (process_execution AND parent_process="web_server")