CVE-2021-26960
📋 TL;DR
This CSRF vulnerability in Aruba AirWave Management Platform allows unauthenticated attackers to trick authenticated users into performing unauthorized actions. Attackers can craft malicious links that, when clicked by authorized users, execute arbitrary actions with the user's privileges. Organizations using AirWave versions prior to 8.2.12.0 are affected.
💻 Affected Systems
- Aruba AirWave Management Platform
📦 What is this software?
Airwave by Arubanetworks
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the AirWave management system, allowing attackers to reconfigure network settings, create backdoor accounts, or disrupt network operations with administrative privileges.
Likely Case
Unauthorized configuration changes, creation of malicious user accounts, or data exfiltration from the management platform.
If Mitigated
Limited impact due to proper CSRF protections, network segmentation, and user awareness training preventing successful exploitation.
🎯 Exploit Status
Exploitation requires social engineering to trick authenticated users into clicking malicious links. No authentication required for initial attack vector.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.2.12.0
Vendor Advisory: https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-005.txt
Restart Required: Yes
Instructions:
1. Download AirWave version 8.2.12.0 or later from Aruba support portal. 2. Backup current configuration. 3. Apply the update following Aruba's upgrade documentation. 4. Restart the AirWave service/device. 5. Verify the update was successful.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF protection tokens to all state-changing requests if customizing the interface
Network Segmentation
allRestrict access to AirWave management interface to trusted networks only
🧯 If You Can't Patch
- Implement strict network access controls to limit AirWave interface access to trusted IPs only
- Deploy web application firewall with CSRF protection rules and educate users about phishing risks
🔍 How to Verify
Check if Vulnerable:
Check AirWave version in web interface: Admin → System → About. If version is below 8.2.12.0, system is vulnerable.Check Version:
Not applicable - check via web interface or SSH to appliance and run 'amp_version'Verify Fix Applied:
Verify version is 8.2.12.0 or higher in Admin → System → About. Test CSRF protection by attempting to submit forms without proper tokens.📡 Detection & Monitoring
Log Indicators:
- Unexpected configuration changes
- New user account creation
- Multiple failed login attempts followed by successful login from same IP
Network Indicators:
- Unusual HTTP POST requests to AirWave interface from unexpected sources
- Requests missing CSRF tokens
SIEM Query:
source="airwave" AND (event_type="config_change" OR event_type="user_create") AND user_agent CONTAINS suspicious_pattern