{"id":"CVE-2020-8916","aliases":["EUVD-2020-29751","GHSA-9wq6-g8c9-8c8w"],"status":"published","title":"Memory leak in wpanctl can lead to DoS","description":"A memory leak in Openthread's wpantund versions up to commit 0e5d1601febb869f583e944785e5685c6c747be7, when used in an environment where wpanctl is directly interfacing with the control driver (eg: debug environments) can allow an attacker to crash the service (DoS). We recommend updating, or to restrict access in your debug environments.","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00266,"percentile":0.18683,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-401"],"published":"2020-07-07T20:15:12Z","modified":"2026-10-20T10:54:31Z","products":[{"vendor":"google llc","product":"wpantund"},{"vendor":"openthread","product":"wpantund"}],"references":[{"url":"https://github.com/openthread/wpantund/pull/468/commits/0e5d1601febb869f583e944785e5685c6c747be7","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8916"},{"url":"https://github.com/advisories/GHSA-9wq6-g8c9-8c8w"}],"sources":{"cve":[{"id":"CVE-2020-8916","title":"Memory leak in wpanctl can lead to DoS","description":"A memory leak in Openthread's wpantund versions up to commit 0e5d1601febb869f583e944785e5685c6c747be7, when used in an environment where wpanctl is directly interfacing with the control driver (eg: debug environments) can allow an attacker to crash the service (DoS). We recommend updating, or to restrict access in your debug environments.","status":"published","published":"2020-07-07T20:15:12Z","modified":"2024-08-04T10:12:11.054Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29751","description":"A memory leak in Openthread's wpantund versions up to commit 0e5d1601febb869f583e944785e5685c6c747be7, when used in an environment where wpanctl is directly interfacing with the control driver (eg: debug environments) can allow an attacker to crash the service (DoS). We recommend updating, or to restrict access in your debug environments.","status":"published","published":"2020-07-07T20:15:12Z","modified":"2024-08-04T10:12:11Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T03:07:55.71159Z"}],"ghsa":[{"id":"GHSA-9wq6-g8c9-8c8w","title":"A memory leak in Openthread's wpantund versions up to commit...","description":"A memory leak in Openthread's wpantund versions up to commit 0e5d1601febb869f583e944785e5685c6c747be7, when used in an environment where wpanctl is directly interfacing with the control driver (eg: debug environments) can allow an attacker to crash the service (DoS). We recommend updating, or to restrict access in your debug environments.","status":"published","published":"2022-05-24T17:22:34Z","modified":"2023-01-29T05:03:19Z","updated_at":"2026-11-02T14:45:17.6265Z"}],"nvd":[{"id":"CVE-2020-8916","description":"A memory leak in Openthread's wpantund versions up to commit 0e5d1601febb869f583e944785e5685c6c747be7, when used in an environment where wpanctl is directly interfacing with the control driver (eg: debug environments) can allow an attacker to crash the service (DoS). We recommend updating, or to restrict access in your debug environments.","status":"published","published":"2020-07-07T21:15:10.867Z","modified":"2026-06-17T03:27:10.67Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:06:09.126752Z"}],"osv":[{"id":"CVE-2020-8916","description":"A memory leak in Openthread's wpantund versions up to commit 0e5d1601febb869f583e944785e5685c6c747be7, when used in an environment where wpanctl is directly interfacing with the control driver (eg: debug environments) can allow an attacker to crash the service (DoS). We recommend updating, or to restrict access in your debug environments.","status":"published","published":"2020-07-07T21:15:10.867Z","modified":"2026-10-20T10:54:31.058526881Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:17.663289Z"}]}}