CVE-2020-10282
📋 TL;DR
CVE-2020-10282 is a critical authentication bypass vulnerability in MAVLink protocol version 1.0 that allows attackers to spoof identities, perform unauthorized access, and execute man-in-the-middle attacks. Systems using MAVLink 1.0 for drone/UAV communication are affected, particularly those in aviation, defense, and commercial drone operations. Version 2.0 provides optional package signing but requires proper symmetric key management across all devices.
💻 Affected Systems
- PX4 Autopilot
- ArduPilot
- MAVLink-enabled drones/UAVs
- MAVLink ground control stations
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete takeover of drone/UAV systems leading to physical damage, data theft, or weaponization of autonomous vehicles
Likely Case
Unauthorized control of drone functions, data interception, or disruption of autonomous operations
If Mitigated
Limited to denial of service if proper network segmentation and monitoring are in place
🎯 Exploit Status
Attack tools for MAVLink protocol manipulation are publicly available. No authentication required for exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: MAVLink 2.0 with package signing enabled
Vendor Advisory: https://mavlink.io/en/guide/serialization.html#mavlink2-packet-signing
Restart Required: Yes
Instructions:
1. Upgrade to MAVLink 2.0. 2. Enable packet signing with MAVLINK_SIGNATURE flag. 3. Configure consistent symmetric keys across all devices. 4. Restart all MAVLink-enabled systems.
🔧 Temporary Workarounds
Network Segmentation
allIsolate MAVLink traffic to dedicated VLANs with strict firewall rules
VPN Tunnel
allEncapsulate all MAVLink communications within VPN tunnels
🧯 If You Can't Patch
- Implement network monitoring for abnormal MAVLink traffic patterns
- Use physical security controls to limit access to drone communication channels
🔍 How to Verify
Check if Vulnerable:
Check MAVLink protocol version in use and verify if packet signing is enabled in MAVLink 2.0 configurationsCheck Version:
Check autopilot firmware version and MAVLink library version in useVerify Fix Applied:
Verify MAVLink 2.0 is active with MAVLINK_SIGNATURE flag set and test communication with invalid signatures📡 Detection & Monitoring
Log Indicators:
- Unauthorized MAVLink message sources
- Failed signature verification attempts
- Abnormal command sequences
Network Indicators:
- MAVLink traffic from unexpected IP addresses
- Unencrypted MAVLink 1.0 traffic on network
- Spoofed heartbeat messages
SIEM Query:
source_port:14550 OR source_port:14580 AND NOT (authorized_source_ip)