{"id":"CVE-2021-41061","aliases":["EUVD-2021-28212","GHSA-w5rg-c6mg-5gqg"],"status":"published","title":"In RIOT-OS 2021.01, nonce reuse in 802.15.4 encryption in the ieee820154_security component...","description":"In RIOT-OS 2021.01, nonce reuse in 802.15.4 encryption in the ieee820154_security component allows attackers to break encryption by triggering reboots.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00208,"percentile":0.11036,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-326","CWE-330"],"published":"2021-09-15T11:21:39Z","modified":"2026-06-17T04:07:48Z","products":[{"vendor":"riot-os","product":"riot"}],"references":[{"url":"https://github.com/RIOT-OS/RIOT/issues/16844","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41061"},{"url":"https://github.com/advisories/GHSA-w5rg-c6mg-5gqg"}],"sources":{"cve":[{"id":"CVE-2021-41061","description":"In RIOT-OS 2021.01, nonce reuse in 802.15.4 encryption in the ieee820154_security component allows attackers to break encryption by triggering reboots.","status":"published","published":"2021-09-15T11:21:39Z","modified":"2024-08-04T02:59:30.985Z","updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-28212","description":"In RIOT-OS 2021.01, nonce reuse in 802.15.4 encryption in the ieee820154_security component allows attackers to break encryption by triggering reboots.","status":"published","published":"2021-09-15T11:21:39Z","modified":"2024-08-04T02:59:30Z","updated_at":"2026-11-03T03:24:19.242491Z"}],"ghsa":[{"id":"GHSA-w5rg-c6mg-5gqg","title":"In RIOT-OS 2021.01, nonce reuse in 802.15.4 encryption in the ieee820154_security component...","description":"In RIOT-OS 2021.01, nonce reuse in 802.15.4 encryption in the ieee820154_security component allows attackers to break encryption by triggering reboots.","status":"published","published":"2022-05-24T19:14:40Z","modified":"2023-01-27T05:03:57Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:42:21.502511Z"}],"nvd":[{"id":"CVE-2021-41061","description":"In RIOT-OS 2021.01, nonce reuse in 802.15.4 encryption in the ieee820154_security component allows attackers to break encryption by triggering reboots.","status":"published","published":"2021-09-15T12:15:16.753Z","modified":"2026-06-17T04:07:48.38Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-330"],"updated_at":"2026-11-02T14:06:58.502206Z"}]}}