{"id":"CVE-2021-25478","aliases":["A-214309660","EUVD-2021-12374","GHSA-4xpm-w9xr-gfc7","PUB-A-214309660"],"status":"published","title":"A possible stack-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021...","description":"A possible stack-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00551,"percentile":0.4651,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-121","CWE-787"],"published":"2021-10-06T17:09:13Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":[":2022-03-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2022-03-05"}]}],"versions":["Kernel"]}],"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-2021-25478"},{"url":"https://github.com/advisories/GHSA-4xpm-w9xr-gfc7"},{"url":"https://source.android.com/security/bulletin/2022-03-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2021-25478","description":"A possible stack-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.","status":"published","published":"2021-10-06T17:09:13Z","modified":"2024-08-03T20:03:05.701Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-12374","description":"A possible stack-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.","status":"published","published":"2021-10-06T17:09:13Z","modified":"2024-08-03T20:03:05Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:52.867371Z"}],"ghsa":[{"id":"GHSA-4xpm-w9xr-gfc7","title":"A possible stack-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021...","description":"A possible stack-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.","status":"published","published":"2022-05-24T19:16:43Z","modified":"2023-01-30T05:02:36Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:40.355653Z"}],"nvd":[{"id":"CVE-2021-25478","description":"A possible stack-based buffer overflow vulnerability in Exynos CP Chipset prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.","status":"published","published":"2021-10-06T18:15:09.113Z","modified":"2026-06-17T03:42:09.523Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:06:59.314106Z"}],"osv":[{"id":"PUB-A-214309660","status":"published","published":"2022-03-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:08.408541Z"}]}}