{"id":"CVE-2021-0918","aliases":["A-197536150","ASB-A-197536150","EUVD-2021-3537","GHSA-h9hc-qgww-qvf4"],"status":"published","title":"In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a...","description":"In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-197536150","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00464,"percentile":0.40694,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2021-11-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/system/bt","fixed_in":["12:2021-11-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/system/bt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2021-11-01"}]}],"versions":["12"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2021-11-01","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0918"},{"url":"https://github.com/advisories/GHSA-h9hc-qgww-qvf4"},{"url":"https://android.googlesource.com/platform/system/bt/+/4650d4d536be3978fdc436cee3833d443dff9dc7","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0918","description":"In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-197536150","status":"published","published":"2021-12-15T18:05:32Z","modified":"2024-08-03T15:55:16.885Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-3537","description":"In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-197536150","status":"published","published":"2021-12-15T18:05:32Z","modified":"2024-08-03T15:55:16Z","updated_at":"2026-11-03T03:25:16.085901Z"}],"ghsa":[{"id":"GHSA-h9hc-qgww-qvf4","title":"In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a...","description":"In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-197536150","status":"published","published":"2021-12-16T00:01:32Z","modified":"2023-02-01T05:06:50Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:50:26.062502Z"}],"nvd":[{"id":"CVE-2021-0918","description":"In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-197536150","status":"published","published":"2021-12-15T19:15:10.937Z","modified":"2026-06-17T03:30:39.197Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":8.3,"vector":"AV:A/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:02.189991Z"}],"osv":[{"id":"ASB-A-197536150","description":"In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2021-11-01T00:00:00Z","modified":"2026-11-11T16:12:36.322289056Z","updated_at":"2026-11-09T17:04:22.742827Z"}]}}