Use After Free in N/a

CVE-2024-38920

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` .

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-38920: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-38920?
CVE-2024-38920 is a critical-severity vulnerability in N/a, classified under Use After Free. CVSS score: 9.1/10. Published 2024-12-05.
How severe is CVE-2024-38920?
Critical severity. CVSS v3 base score is 9.1 out of 10.