{"id":"CVE-2021-25495","aliases":["EUVD-2021-12391","GHSA-8xx6-wgwv-844x"],"status":"published","title":"A possible heap buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to...","description":"A possible heap buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows arbitrary code execution.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00283,"percentile":0.21018,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2021-10-06T17:11:19Z","modified":"2026-06-17T03:42:11Z","products":[{"vendor":"samsung","product":"notes"},{"vendor":"samsung mobile","product":"samsung notes"}],"references":[{"url":"https://security.samsungmobile.com/serviceWeb.smsb?year=2021\u0026month=10","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25495"},{"url":"https://github.com/advisories/GHSA-8xx6-wgwv-844x"}],"sources":{"cve":[{"id":"CVE-2021-25495","description":"A possible heap buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows arbitrary code execution.","status":"published","published":"2021-10-06T17:11:19Z","modified":"2024-08-03T20:03:05.855Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-12391","description":"A possible heap buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows arbitrary code execution.","status":"published","published":"2021-10-06T17:11:19Z","modified":"2024-08-03T20:03:05Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:52.867371Z"}],"ghsa":[{"id":"GHSA-8xx6-wgwv-844x","title":"A possible heap buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to...","description":"A possible heap buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows arbitrary code execution.","status":"published","published":"2022-05-24T19:16:42Z","modified":"2023-01-30T05:02:35Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:40.355653Z"}],"nvd":[{"id":"CVE-2021-25495","description":"A possible heap buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows arbitrary code execution.","status":"published","published":"2021-10-06T18:15:09.957Z","modified":"2026-06-17T03:42:11.407Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:06:59.314106Z"}]}}