{"id":"CVE-2021-25471","aliases":["EUVD-2021-12367","GHSA-v959-6vw5-5vwp"],"status":"published","title":"A lack of replay attack protection in Security Mode Command process prior to SMR Oct-2021 Release...","description":"A lack of replay attack protection in Security Mode Command process prior to SMR Oct-2021 Release 1 can lead to denial of service on mobile network connection and battery depletion.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00398,"percentile":0.34513,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-10-06T17:08:01Z","modified":"2026-06-17T03:42:08Z","products":[{"vendor":"google","product":"android"},{"vendor":"samsung mobile","product":"samsung mobile devices"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=10","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25471"},{"url":"https://github.com/advisories/GHSA-v959-6vw5-5vwp"}],"sources":{"cve":[{"id":"CVE-2021-25471","description":"A lack of replay attack protection in Security Mode Command process prior to SMR Oct-2021 Release 1 can lead to denial of service on mobile network connection and battery depletion.","status":"published","published":"2021-10-06T17:08:01Z","modified":"2024-08-03T20:03:05.662Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-12367","description":"A lack of replay attack protection in Security Mode Command process prior to SMR Oct-2021 Release 1 can lead to denial of service on mobile network connection and battery depletion.","status":"published","published":"2021-10-06T17:08:01Z","modified":"2024-08-03T20:03:05Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-03T03:24:52.867371Z"}],"ghsa":[{"id":"GHSA-v959-6vw5-5vwp","title":"A lack of replay attack protection in Security Mode Command process prior to SMR Oct-2021 Release...","description":"A lack of replay attack protection in Security Mode Command process prior to SMR Oct-2021 Release 1 can lead to denial of service on mobile network connection and battery depletion.","status":"published","published":"2022-05-24T19:16:45Z","modified":"2023-01-30T05:02:27Z","updated_at":"2026-11-02T14:46:38.51672Z"}],"nvd":[{"id":"CVE-2021-25471","description":"A lack of replay attack protection in Security Mode Command process prior to SMR Oct-2021 Release 1 can lead to denial of service on mobile network connection and battery depletion.","status":"published","published":"2021-10-06T18:15:08.763Z","modified":"2026-06-17T03:42:08.76Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:59.314106Z"}]}}