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CVE-2020-10283

RVD#3317: MAVLink version handshaking allows for an attacker to bypass authentication

Published: Aug 20, 2020Updated: Nov 21, 2024 Sources: CVE List NVDCWE-288
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
1.5%
Top 29.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

The Micro Air Vehicle Link (MAVLink) protocol presents authentication mechanisms on its version 2.0 however according to its documentation, in order to maintain backwards compatibility, GCS and autopilot negotiate the version via the AUTOPILOT_VERSION message. Since this negotiation depends on the answer, an attacker may craft packages in a way that hints the autopilot to adopt version 1.0 of MAVLink for the communication. Given the lack of authentication capabilities in such version of MAVLink (refer to CVE-2020-10282), attackers may use this method to bypass authentication capabilities and interact with the autopilot directly.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-288NVD-CWE-Other

Affected Products

micro air vehicle linkdronecode
Embedded
ICS / OT / IoT / industrial-network
MAVLinkPX4
Embedded
ICS / OT / IoT / industrial-network
dronecodeoss-projectICS / OT / IoT
px4oss-projectICS / OT / IoTaka px4-autopilot, autopilot, mavlink

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://github.com/aliasrobotics/RVD/issues/3316
github.com

Timeline

Published
Aug 20, 2020
Last Updated
Nov 21, 2024

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