{"id":"CVE-2023-3725","aliases":["EUVD-2023-44360","GHSA-2g3m-p6c7-8rr3"],"status":"published","title":"Potential buffer overflow vulnerability in the Zephyr CANbus subsystem","description":"Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem","severity":{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01299,"percentile":0.70648,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-121","CWE-787"],"published":"2023-10-06T20:10:11Z","modified":"2026-10-28T02:31:08Z","products":[{"vendor":"zephyrproject","product":"zephyr"},{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-2g3m-p6c7-8rr3","tags":["x_transferred","Exploit","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2023/11/07/1","tags":["x_transferred","Mailing List","web"]},{"url":"http://seclists.org/fulldisclosure/2023/Nov/1","tags":["x_transferred","Mailing List","Third Party Advisory","web"]},{"url":"http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html","tags":["x_transferred","Third Party Advisory","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3725.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3725","tags":["advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-3725","title":"Potential buffer overflow vulnerability in the Zephyr CANbus subsystem","description":"Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem","status":"published","published":"2023-10-06T20:10:11.543Z","modified":"2025-02-13T16:56:38.76Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-120","CWE-121"],"updated_at":"2026-11-02T14:35:24.707957Z"}],"euvd":[{"id":"EUVD-2023-44360","description":"Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem","status":"published","published":"2023-10-06T20:10:11Z","modified":"2025-02-13T16:56:38Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"updated_at":"2026-11-03T00:03:50.021705Z"}],"nvd":[{"id":"CVE-2023-3725","description":"Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem","status":"published","published":"2023-10-06T21:15:10.853Z","modified":"2026-06-17T06:14:42.88Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"secondary"},{"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"}],"cwes":["CWE-120","CWE-121","CWE-787"],"updated_at":"2026-11-02T14:08:36.656095Z"}],"osv":[{"id":"CVE-2023-3725","title":"Potential buffer overflow vulnerability in the Zephyr CANbus subsystem","description":"Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem","status":"published","published":"2023-10-06T20:10:11.543Z","modified":"2026-10-28T02:31:08.046501201Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"cwes":["CWE-120","CWE-121"],"updated_at":"2026-11-02T15:44:32.510144Z"}]}}