{"id":"CVE-2021-25337","aliases":["EUVD-2021-12233","GHSA-7x25-8cjm-2rj9"],"status":"published","title":"Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021...","description":"Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02807,"percentile":0.866,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-269","CWE-863"],"published":"2021-03-04T20:59:13Z","modified":"2026-06-17T03:41:53Z","kev":{"date_added":"2022-11-08","due_date":"2022-11-29","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2022-11-08"},{"source":"kev","since":"2022-11-08"}],"exploits":[{"source":"pocgithub","id":"CrisZalSa/JustALampNothingElse","title":"CrisZalSa/JustALampNothingElse","date":"2026-04-17","url":"https://github.com/CrisZalSa/JustALampNothingElse"}],"products":[{"vendor":"samsung","product":"android"},{"vendor":"samsung","product":"mobile devices"},{"vendor":"samsung mobile","product":"samsung mobile devices"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://security.samsungmobile.com","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25337","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25337"},{"url":"https://github.com/advisories/GHSA-7x25-8cjm-2rj9"}],"sources":{"cve":[{"id":"CVE-2021-25337","description":"Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.","status":"published","published":"2021-03-04T20:59:13Z","modified":"2025-10-21T23:25:52.563Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12233","description":"Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.","status":"published","published":"2021-03-04T20:59:13Z","modified":"2025-10-21T23:25:52Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"exploited_since":"2022-11-08","updated_at":"2026-11-02T20:31:25.308373Z"}],"ghsa":[{"id":"GHSA-7x25-8cjm-2rj9","title":"Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021...","description":"Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.","status":"published","published":"2022-05-24T17:43:41Z","modified":"2025-10-22T00:32:04Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-269","CWE-863"],"updated_at":"2026-11-02T15:04:04.786232Z"}],"kev":[{"id":"CVE-2021-25337","title":"Samsung Mobile Devices Improper Access Control Vulnerability","description":"Samsung mobile devices contain an improper access control vulnerability in clipboard service which allows untrusted applications to read or write arbitrary files. This vulnerability was chained with CVE-2021-25369 and CVE-2021-25370.","cwes":["CWE-269"],"kev":{"date_added":"2022-11-08","due_date":"2022-11-29","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2021-25337","description":"Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.","status":"published","published":"2021-03-04T21:15:13.667Z","modified":"2026-06-17T03:41:53.733Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:06:50.399901Z"}]}}