{"id":"CVE-2021-31662","aliases":["EUVD-2021-18549","GHSA-4r65-6rvv-8vhw"],"status":"published","title":"RIOT-OS 2021.01 before commit 07f1254d8537497552e7dce80364aaead9266bbe contains a buffer overflow...","description":"RIOT-OS 2021.01 before commit 07f1254d8537497552e7dce80364aaead9266bbe 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":"2026-11-12","score":0.01345,"percentile":0.71823,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-06-18T21:49:46Z","modified":"2026-06-17T03:52:08Z","products":[{"vendor":"riot-os","product":"riot"}],"references":[{"url":"https://github.com/RIOT-OS/RIOT/pull/15930","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://github.com/RIOT-OS/RIOT/commit/07f1254d8537497552e7dce80364aaead9266bbe","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31662"},{"url":"https://github.com/advisories/GHSA-4r65-6rvv-8vhw"}],"sources":{"cve":[{"id":"CVE-2021-31662","description":"RIOT-OS 2021.01 before commit 07f1254d8537497552e7dce80364aaead9266bbe contains a buffer overflow which could allow attackers to obtain sensitive information.","status":"published","published":"2021-06-18T21:49:46Z","modified":"2024-08-03T23:03:33.651Z","updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18549","description":"RIOT-OS 2021.01 before commit 07f1254d8537497552e7dce80364aaead9266bbe contains a buffer overflow which could allow attackers to obtain sensitive information.","status":"published","published":"2021-06-18T21:49:46Z","modified":"2024-08-03T23:03:33Z","updated_at":"2026-11-03T03:24:38.423371Z"}],"ghsa":[{"id":"GHSA-4r65-6rvv-8vhw","title":"RIOT-OS 2021.01 before commit 07f1254d8537497552e7dce80364aaead9266bbe contains a buffer overflow...","description":"RIOT-OS 2021.01 before commit 07f1254d8537497552e7dce80364aaead9266bbe contains a buffer overflow which could allow attackers to obtain sensitive information.","status":"published","published":"2022-05-24T19:05:41Z","modified":"2023-01-29T05:06:35Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:46:03.455343Z"}],"nvd":[{"id":"CVE-2021-31662","description":"RIOT-OS 2021.01 before commit 07f1254d8537497552e7dce80364aaead9266bbe contains a buffer overflow which could allow attackers to obtain sensitive information.","status":"published","published":"2021-06-18T22:15:11.937Z","modified":"2026-06-17T03:52:08.033Z","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"}]}}