{"id":"CVE-2024-38921","aliases":["EUVD-2024-37813","GHSA-g4ph-37mq-hvxw"],"status":"published","title":"Open Robotics Robotic Operating System 2 (ROS2) and Nav2 humble versions were discovered to...","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 triggered via remotely sending a request for change the value of dynamic-parameter`/amcl z_rand ` .","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00601,"percentile":0.4925,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2024-12-06T00:00:00Z","modified":"2026-06-17T07:41:15Z","products":[{"vendor":"openrobotics","product":"robot_operating_system"}],"references":[{"url":"https://github.com/ros-navigation/navigation2/issues/4379","tags":["Exploit","Issue Tracking"]},{"url":"https://github.com/ros-navigation/navigation2/pull/4397","tags":["Third Party Advisory"]},{"url":"https://github.com/GoesM/ROS-CVE-CNVDs","tags":["exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-38921"},{"url":"https://github.com/advisories/GHSA-g4ph-37mq-hvxw"}],"sources":{"cve":[{"id":"CVE-2024-38921","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 triggered via remotely sending a request for change the value of dynamic-parameter`/amcl z_rand ` .","status":"published","published":"2024-12-06T00:00:00Z","modified":"2024-12-11T17:11:39.627Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:34:16.007021Z"}],"euvd":[{"id":"EUVD-2024-37813","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 triggered via remotely sending a request for change the value of dynamic-parameter`/amcl z_rand ` .","status":"published","published":"2024-12-06T00:00:00Z","modified":"2024-12-11T17:11:39Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:36.867108Z"}],"ghsa":[{"id":"GHSA-g4ph-37mq-hvxw","title":"Open Robotics Robotic Operating System 2 (ROS2) and Nav2 humble versions were discovered to...","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 triggered via remotely sending a request for change the value of dynamic-parameter`/amcl z_rand ` .","status":"published","published":"2024-12-07T00:31:03Z","modified":"2024-12-12T03:33:00Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:59:08.740912Z"}],"nvd":[{"id":"CVE-2024-38921","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 triggered via remotely sending a request for change the value of dynamic-parameter`/amcl z_rand ` .","status":"published","published":"2024-12-06T22:15:19.6Z","modified":"2026-06-17T07:41:15.02Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:10:39.434419Z"}]}}