CVE-2020-10282: Authentication Bypass in MAVLink 1.0

The lack of authentication in MAVLink 1.0 creates a significant attack surface. An attacker can easily spoof the identity of a legitimate drone or ground station, injecting malicious commands and potentially taking control of the system. This could lead to unauthorized flight operations, data theft, or even physical damage. Furthermore, the absence of authorization means an attacker can access and modify data without any checks, leading to a complete compromise of the MAVLink network. The potential for PITM attacks is particularly concerning, as attackers can intercept and manipulate communications between devices, further escalating the impact.

1. Reserved2020-03-10
2. Published2020-07-03
3. Modified2024-09-16
4. EPSS updated2026-04-02

The primary mitigation for CVE-2020-10282 is to upgrade to MAVLink version 2.0, which optionally includes package signing. However, it's crucial to understand that MAVLink 2.0's authentication is based on HMAC and requires careful key management – all devices must share the same symmetric key. If this isn't possible, implement network segmentation to isolate MAVLink communications. Consider using a firewall to restrict access to the MAVLink port (typically 14550) and only allow connections from trusted devices. Additionally, implement intrusion detection systems (IDS) to monitor for suspicious MAVLink traffic. After upgrading, verify the new version by attempting to send and receive commands and confirming that authentication is enforced.