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CVE-2024-40427

Published: Jan 7, 2025Updated: Jun 20, 2025 Sources: CVE List NVDCWE-120
7.9HIGH
NVD MITRE
EPSS Score
0.3%
Top 72.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Stack Buffer Overflow in PX4-Autopilot v1.14.3, which allows attackers to execute commands to exploit this vulnerability and cause the program to refuse to execute

In plain language

AI Worth attention

CVE-2024-40427 is a crash-and-control bug in PX4 drone autopilot that can let someone run commands and make the autopilot stop, so you should update if you operate drones using PX4 (especially if anyone can reach it).

Executive summary

CVE-2024-40427 is a stack buffer overflow in PX4-Autopilot (CWE-120) that can enable command execution and lead to denial of service, with a low authentication requirement and local attack vector.

If affected, business impact
Drone flights disrupted or unsafeLoss of vehicle controlOperational downtimeSafety incident risk

What to do now

  1. Check which PX4-Autopilot version your drone systems are running (and whether that build includes the vulnerable code referenced for CVE-2024-40427).
  2. If you are running PX4-Autopilot v1.14.3, update PX4-Autopilot to the fixed state using the vendor’s provided commit.
  3. After upgrading, verify your autopilot boots and performs normal mission start/arming checks, then test your specific flight workflow in a safe environment.
Patch / advisory Usually a quick update

CVSS Vector Breakdown

AV:LAC:LPR:LUI:RS:CC:NI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-120

Affected Products

dronecode
oss-project
px4 drone autopilotEmbedded
ICS / OT / IoT / industrial-network
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2024-40427?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/PX4/PX4-Autopilot/commit/e03e0261a1a0c82f545e66a1e3795956c886db71
github.com
https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-55wq-2hgm-75m4
github.com

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