{"id":"CVE-2021-25397","aliases":["EUVD-2021-12293","GHSA-gg2x-4f8g-8499"],"status":"published","title":"An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1 allows...","description":"An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1 allows local attackers to write arbitrary files of telephony process via untrusted applications.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0013,"percentile":0.02702,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863","CWE-926"],"published":"2021-06-11T14:45:22Z","modified":"2026-06-17T03:42:00Z","products":[{"vendor":"google","product":"android"},{"vendor":"samsung mobile","product":"samsung mobile devices"}],"references":[{"url":"https://blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-1/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=5","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25397"},{"url":"https://github.com/advisories/GHSA-gg2x-4f8g-8499"}],"sources":{"cve":[{"id":"CVE-2021-25397","description":"An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1 allows local attackers to write arbitrary files of telephony process via untrusted applications.","status":"published","published":"2021-06-11T14:45:22Z","modified":"2024-08-03T20:03:05.586Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-926"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12293","description":"An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1 allows local attackers to write arbitrary files of telephony process via untrusted applications.","status":"published","published":"2021-06-11T14:45:22Z","modified":"2024-08-03T20:03:05Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","level":"medium"}],"updated_at":"2026-11-03T03:24:53.302862Z"}],"ghsa":[{"id":"GHSA-gg2x-4f8g-8499","title":"An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1 allows...","description":"An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1 allows local attackers to write arbitrary files of telephony process via untrusted applications.","status":"published","published":"2022-05-24T19:05:09Z","modified":"2023-01-30T05:02:06Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:46:33.666288Z"}],"nvd":[{"id":"CVE-2021-25397","description":"An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1 allows local attackers to write arbitrary files of telephony process via untrusted applications.","status":"published","published":"2021-06-11T15:15:09.23Z","modified":"2026-06-17T03:42:00.62Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-926"],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}