CVE-2021-25151
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on Aruba AirWave Management Platform systems by exploiting insecure deserialization. Attackers can achieve remote code execution without authentication. Organizations running AirWave Management Platform versions before 8.2.12.1 are affected.
💻 Affected Systems
- Aruba AirWave Management Platform
📦 What is this software?
Airwave by Arubanetworks
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise leading to attacker gaining full control of the AirWave Management Platform, potentially enabling lateral movement to managed network devices and data exfiltration.
Likely Case
Remote code execution allowing attackers to install malware, create backdoors, disrupt network management operations, and access sensitive network configuration data.
If Mitigated
Limited impact if proper network segmentation and access controls prevent external access to the management interface.
🎯 Exploit Status
Insecure deserialization vulnerabilities are frequently weaponized and often have public exploits developed after disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.2.12.1
Vendor Advisory: https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-010.txt
Restart Required: Yes
Instructions:
1. Download AirWave Management Platform version 8.2.12.1 or later from Aruba support portal. 2. Backup current configuration. 3. Apply the update following Aruba's upgrade documentation. 4. Restart the AirWave appliance.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to the AirWave management interface to trusted IP addresses only.
Configure firewall rules to allow only specific source IPs to access AirWave management ports (typically 443/TCP)
🧯 If You Can't Patch
- Isolate the AirWave Management Platform on a dedicated management VLAN with strict access controls
- Implement network monitoring and intrusion detection for suspicious traffic to the AirWave management interface
🔍 How to Verify
Check if Vulnerable:
Check the AirWave web interface login page or CLI for version information. Versions below 8.2.12.1 are vulnerable.
Check Version:
From AirWave CLI: 'show version' or check web interface footer
Verify Fix Applied:
Verify the version shows 8.2.12.1 or higher after patching and confirm all services are running normally.
📡 Detection & Monitoring
Log Indicators:
- Unusual deserialization errors in application logs
- Unexpected process execution
- Authentication attempts from unusual IP addresses
Network Indicators:
- Suspicious HTTP POST requests to AirWave management endpoints
- Outbound connections from AirWave to unexpected destinations
SIEM Query:
source="airwave" AND (error="deserialization" OR process="unexpected_executable")