{"id":"CVE-2020-10022","aliases":["EUVD-2020-2487","GHSA-cpxw-453r-hpg9"],"status":"published","title":"UpdateHub Module Copies a Variable-Size Hash String Into a Fixed-Size Array","description":"A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. See NCC-NCC-016 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.","severity":{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.02319,"percentile":0.83589,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-05-11T22:26:12Z","modified":"2026-06-17T02:47:13Z","products":[{"vendor":"zephyrproject","product":"zephyr"},{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/24154","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/24065","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://github.com/zephyrproject-rtos/zephyr/pull/24066","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-10022"},{"url":"https://docs.zephyrproject.org/latest/security/vulnerabilities.html#CVE-2020-10022"},{"url":"https://github.com/advisories/GHSA-cpxw-453r-hpg9"}],"sources":{"cve":[{"id":"CVE-2020-10022","title":"UpdateHub Module Copies a Variable-Size Hash String Into a Fixed-Size Array","description":"A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. See NCC-NCC-016 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.","status":"published","published":"2020-05-11T22:26:12.494Z","modified":"2024-09-16T23:45:41.536Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:48.213211Z"}],"euvd":[{"id":"EUVD-2020-2487","description":"A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. See NCC-NCC-016 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.","status":"published","published":"2020-05-11T22:26:12Z","modified":"2024-09-16T23:45:41Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:54:47.592767Z"}],"ghsa":[{"id":"GHSA-cpxw-453r-hpg9","title":"A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption...","description":"A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. See NCC-NCC-016 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.","status":"published","published":"2022-05-24T17:17:38Z","modified":"2023-01-29T05:02:37Z","updated_at":"2026-11-02T14:45:08.066233Z"}],"nvd":[{"id":"CVE-2020-10022","description":"A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. See NCC-NCC-016 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.","status":"published","published":"2020-05-11T23:15:11.457Z","modified":"2026-06-17T02:47:13.243Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","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"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:00.784809Z"}]}}