CVE-2024-38920

Name: CVE-2024-38920
Creator: NVD / NIST
Published: 2024-12-05T23:15:06.163+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2024-38920 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Open Robotics Robotic Operating System 2 (ROS2) and Nav2 humble versions were discovered to contain a use-after-free via the nav2_amcl process. This vulnerability is triggerd via remotely sending a request for change the value of dynamic-parameter`/amcl max_beams` .. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

Open Robotics Robotic Operating System 2 (ROS2) and Nav2 humble versions were discovered to contain a use-after-free via the nav2_amcl process. This vulnerability is triggerd via remotely sending a request for change the value of dynamic-parameter`/amcl max_beams` .

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS Probability

0.50%

38.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

References

Timeline

Published: Dec 5, 2024
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2024-38920?

How severe is CVE-2024-38920?

CVE-2024-38920 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2024-38920?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-38920?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST