{"id":"CVE-2025-20911","aliases":["EUVD-2025-6139","GHSA-cm69-vmxj-g523"],"status":"published","title":"Improper access control in sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged...","description":"Improper access control in sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged local attackers to update MAC address of Galaxy Watch.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00135,"percentile":0.0304,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2025-03-06T05:04:13Z","modified":"2026-06-17T08:42:11Z","products":[{"vendor":"samsung","product":"wear_os"},{"vendor":"samsung mobile","product":"samsung mobile devices"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2025\u0026month=03","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20911"},{"url":"https://github.com/advisories/GHSA-cm69-vmxj-g523"}],"sources":{"cve":[{"id":"CVE-2025-20911","description":"Improper access control in sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged local attackers to update MAC address of Galaxy Watch.","status":"published","published":"2025-03-06T05:04:13.61Z","modified":"2025-03-06T15:02:31.469Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:25.5658Z"}],"euvd":[{"id":"EUVD-2025-6139","description":"Improper access control in sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged local attackers to update MAC address of Galaxy Watch.","status":"published","published":"2025-03-06T05:04:13Z","modified":"2025-03-06T15:02:31Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:11.47787Z"}],"ghsa":[{"id":"GHSA-cm69-vmxj-g523","title":"Improper access control in sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged...","description":"Improper access control in sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged local attackers to update MAC address of Galaxy Watch.","status":"published","published":"2025-03-06T06:30:52Z","modified":"2025-03-06T06:31:03Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:00:09.656651Z"}],"nvd":[{"id":"CVE-2025-20911","description":"Improper access control in sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged local attackers to update MAC address of Galaxy Watch.","status":"published","published":"2025-03-06T05:15:17.653Z","modified":"2026-06-17T08:42:11.473Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:10:53.101324Z"}]}}