{"id":"CVE-2021-25487","aliases":["EUVD-2021-12383","GHSA-4fpw-j345-q48r"],"status":"published","title":"Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR...","description":"Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00635,"percentile":0.5078,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2021-10-06T17:10:26Z","modified":"2026-06-17T03:42:10Z","kev":{"date_added":"2023-06-29","due_date":"2023-07-20","required_action":"Apply updates per vendor instructions or discontinue use of the product if updates are unavailable","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2023-06-29"},{"source":"kev","since":"2023-06-29"}],"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?year=2021\u0026month=10","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25487","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25487"},{"url":"https://github.com/advisories/GHSA-4fpw-j345-q48r"}],"sources":{"cve":[{"id":"CVE-2021-25487","description":"Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.","status":"published","published":"2021-10-06T17:10:26Z","modified":"2025-10-21T23:25:30.525Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12383","description":"Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.","status":"published","published":"2021-10-06T17:10:26Z","modified":"2025-10-21T23:25:30Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","level":"high"}],"exploited_since":"2023-06-29","updated_at":"2026-11-02T20:31:25.901288Z"}],"ghsa":[{"id":"GHSA-4fpw-j345-q48r","title":"Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR...","description":"Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.","status":"published","published":"2022-05-24T19:16:43Z","modified":"2025-10-22T00:32:25Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:04:05.344883Z"}],"kev":[{"id":"CVE-2021-25487","title":"Samsung Mobile Devices Out-of-Bounds Read Vulnerability","description":"Samsung mobile devices contain an out-of-bounds read vulnerability within the modem interface driver due to a lack of boundary checking of a buffer in set_skb_priv(), leading to remote code execution by dereference of an invalid function pointer.","cwes":["CWE-125"],"kev":{"date_added":"2023-06-29","due_date":"2023-07-20","required_action":"Apply updates per vendor instructions or discontinue use of the product if updates are unavailable","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2021-25487","description":"Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.","status":"published","published":"2021-10-06T18:15:09.567Z","modified":"2026-06-17T03:42:10.5Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:06:59.314106Z"}]}}