{"id":"CVE-2021-3319","aliases":["EUVD-2021-26650"],"status":"published","title":"DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses","description":"DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions \u003e= \u003e v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0088,"percentile":0.59409,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476","CWE-588"],"published":"2021-10-05T20:50:14Z","modified":"2026-06-17T04:04:56Z","products":[{"vendor":"zephyrproject","product":"zephyr"},{"vendor":"zephyrproject-rtos","product":"zephyr"}],"references":[{"url":"http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory"]}],"sources":{"cve":[{"id":"CVE-2021-3319","title":"DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses","description":"DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions \u003e= \u003e v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364","status":"published","published":"2021-10-05T20:50:14.254Z","modified":"2024-09-16T22:14:56.366Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-476","CWE-588"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26650","description":"DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions \u003e= \u003e v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364","status":"published","published":"2021-10-05T20:50:14Z","modified":"2024-09-16T22:14:56Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"updated_at":"2026-11-03T00:55:04.822795Z"}],"nvd":[{"id":"CVE-2021-3319","description":"DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions \u003e= \u003e v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364","status":"published","published":"2021-10-05T21:15:09.217Z","modified":"2026-06-17T04:04:56.06Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium","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-476","CWE-588"],"updated_at":"2026-11-02T14:06:59.314106Z"}]}}