Cyber Resilience

CVE-2024-38920

Critical

Published: 05 December 2024

Published
05 December 2024
Modified
15 April 2026
KEV Added
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Patch
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CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS Score 0.0025 48.5th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-38920 is a critical-severity Use After Free (CWE-416) vulnerability. Its CVSS base score is 9.1 (Critical).

Operationally, ranked at the 48.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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` .

CWE(s)
CWE-416

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References