{"id":"CVE-2021-3510","aliases":["EUVD-2021-26829"],"status":"published","title":"Zephyr JSON decoder incorrectly decodes array of array","description":"Zephyr JSON decoder incorrectly decodes array of array. Zephyr versions \u003e= \u003e1.14.0, \u003e= \u003e2.5.0 contain Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-289f-7mw3-2qf4","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00961,"percentile":0.61824,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-588"],"published":"2021-10-05T20:50:17Z","modified":"2026-06-17T04:05:15Z","products":[{"vendor":"zephyrproject","product":"zephyr"},{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-289f-7mw3-2qf4","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]}],"sources":{"cve":[{"id":"CVE-2021-3510","title":"Zephyr JSON decoder incorrectly decodes array of array","description":"Zephyr JSON decoder incorrectly decodes array of array. Zephyr versions \u003e= \u003e1.14.0, \u003e= \u003e2.5.0 contain Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-289f-7mw3-2qf4","status":"published","published":"2021-10-05T20:50:17.32Z","modified":"2024-09-16T19:04:43.233Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-588"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26829","description":"Zephyr JSON decoder incorrectly decodes array of array. Zephyr versions \u003e= \u003e1.14.0, \u003e= \u003e2.5.0 contain Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-289f-7mw3-2qf4","status":"published","published":"2021-10-05T20:50:17Z","modified":"2024-09-16T19:04:43Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:55:26.73018Z"}],"nvd":[{"id":"CVE-2021-3510","description":"Zephyr JSON decoder incorrectly decodes array of array. Zephyr versions \u003e= \u003e1.14.0, \u003e= \u003e2.5.0 contain Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-289f-7mw3-2qf4","status":"published","published":"2021-10-05T21:15:09.353Z","modified":"2026-06-17T04:05:15.73Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-588"],"updated_at":"2026-11-02T14:06:59.314106Z"}]}}