{"id":"CVE-2017-14201","aliases":["EUVD-2017-5711","GHSA-v422-67vr-jrj5"],"status":"published","title":"The shell DNS command can cause unpredictable results due to misuse of stack variables.","description":"Use After Free vulnerability in the Zephyr shell allows a serial or telnet connected user to cause denial of service, and possibly remote code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01104,"percentile":0.65974,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2019-08-29T00:44:16Z","modified":"2026-06-17T01:05:46Z","products":[{"vendor":"zephyr","product":"shell"},{"vendor":"zephyrproject","product":"zephyr"}],"references":[{"url":"https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-17","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://docs.zephyrproject.org/1.14.0/releases/release-notes-1.14.html","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/13260","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-14201"},{"url":"https://github.com/advisories/GHSA-v422-67vr-jrj5"}],"sources":{"cve":[{"id":"CVE-2017-14201","title":"The shell DNS command can cause unpredictable results due to misuse of stack variables.","description":"Use After Free vulnerability in the Zephyr shell allows a serial or telnet connected user to cause denial of service, and possibly remote code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.","status":"published","published":"2019-08-29T00:44:16.325Z","modified":"2024-09-17T00:46:36.051Z","cwes":["CWE-416"],"updated_at":"2026-11-02T14:33:11.928814Z"}],"euvd":[{"id":"EUVD-2017-5711","description":"Use After Free vulnerability in the Zephyr shell allows a serial or telnet connected user to cause denial of service, and possibly remote code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.","status":"published","published":"2019-08-29T00:44:16Z","modified":"2024-09-17T00:46:36Z","updated_at":"2026-11-03T00:28:55.842484Z"}],"ghsa":[{"id":"GHSA-v422-67vr-jrj5","title":"Use After Free vulnerability in the Zephyr shell allows a serial or telnet connected user to...","description":"Use After Free vulnerability in the Zephyr shell allows a serial or telnet connected user to cause denial of service, and possibly remote code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.","status":"published","published":"2022-05-24T16:55:05Z","modified":"2024-04-11T21:18:06Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:57:09.217628Z"}],"nvd":[{"id":"CVE-2017-14201","description":"Use After Free vulnerability in the Zephyr shell allows a serial or telnet connected user to cause denial of service, and possibly remote code execution. This issue affects: Zephyr shell versions prior to 1.14.0 on all.","status":"published","published":"2019-08-29T01:15:10.647Z","modified":"2026-06-17T01:05:46.173Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:04:20.074898Z"}]}}