{"id":"CVE-2021-31664","aliases":["EUVD-2021-18551","GHSA-pwpg-xvgc-wfjh"],"status":"published","title":"RIOT-OS 2021.01 before commit 44741ff99f7a71df45420635b238b9c22093647a contains a buffer overflow...","description":"RIOT-OS 2021.01 before commit 44741ff99f7a71df45420635b238b9c22093647a contains a buffer overflow which could allow attackers to obtain sensitive information.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01345,"percentile":0.71789,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-06-18T21:49:27Z","modified":"2026-06-17T03:52:08Z","products":[{"vendor":"riot-os","product":"riot"}],"references":[{"url":"https://github.com/RIOT-OS/RIOT/pull/15345","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://github.com/RIOT-OS/RIOT/commit/44741ff99f7a71df45420635b238b9c22093647a","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31664"},{"url":"https://github.com/advisories/GHSA-pwpg-xvgc-wfjh"}],"sources":{"cve":[{"id":"CVE-2021-31664","description":"RIOT-OS 2021.01 before commit 44741ff99f7a71df45420635b238b9c22093647a contains a buffer overflow which could allow attackers to obtain sensitive information.","status":"published","published":"2021-06-18T21:49:27Z","modified":"2024-08-03T23:03:33.659Z","updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-18551","description":"RIOT-OS 2021.01 before commit 44741ff99f7a71df45420635b238b9c22093647a contains a buffer overflow which could allow attackers to obtain sensitive information.","status":"published","published":"2021-06-18T21:49:27Z","modified":"2024-08-03T23:03:33Z","updated_at":"2026-11-03T03:24:38.423371Z"}],"ghsa":[{"id":"GHSA-pwpg-xvgc-wfjh","title":"RIOT-OS 2021.01 before commit 44741ff99f7a71df45420635b238b9c22093647a contains a buffer overflow...","description":"RIOT-OS 2021.01 before commit 44741ff99f7a71df45420635b238b9c22093647a contains a buffer overflow which could allow attackers to obtain sensitive information.","status":"published","published":"2022-05-24T19:05:41Z","modified":"2023-01-29T05:07:03Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:46:08.723565Z"}],"nvd":[{"id":"CVE-2021-31664","description":"RIOT-OS 2021.01 before commit 44741ff99f7a71df45420635b238b9c22093647a contains a buffer overflow which could allow attackers to obtain sensitive information.","status":"published","published":"2021-06-18T22:15:12Z","modified":"2026-06-17T03:52:08.253Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}