{"id":"CVE-2021-0475","aliases":["A-175686168","ASB-A-175686168","EUVD-2021-3094","GHSA-jfh5-68jv-jpmr"],"status":"published","title":"In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use...","description":"In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. 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-11 Android-10Android ID: A-175686168","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":"2026-11-09","score":0.00976,"percentile":0.62357,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-416"],"published":"2021-05-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","exploits":[{"source":"pocgithub","id":"ShaikUsaf/system_bt_AOSP10_r33_CVE-2021-0475","title":"ShaikUsaf/system_bt_AOSP10_r33_CVE-2021-0475","date":"2022-04-20","url":"https://github.com/ShaikUsaf/system_bt_AOSP10_r33_CVE-2021-0475"}],"fixes":[{"ecosystem":"Android","package":"platform/system/bt","fixed_in":["10:2021-05-01","11:2021-05-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/system/bt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2021-05-01"}]}],"versions":["10"]},{"source":"osv","ecosystem":"Android","package":"platform/system/bt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-05-01"}]}],"versions":["11"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2021-05-01","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0475"},{"url":"https://github.com/advisories/GHSA-jfh5-68jv-jpmr"},{"url":"https://android.googlesource.com/platform/system/bt/+/a632a66b81ee4b1db65d0cf64b4ce525f56214ff","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0475","description":"In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. 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-11 Android-10Android ID: A-175686168","status":"published","published":"2021-06-11T16:42:56Z","modified":"2024-08-03T15:40:01.155Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-3094","description":"In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. 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-11 Android-10Android ID: A-175686168","status":"published","published":"2021-06-11T16:42:56Z","modified":"2024-08-03T15:40:01Z","updated_at":"2026-11-03T03:25:16.987587Z"}],"ghsa":[{"id":"GHSA-jfh5-68jv-jpmr","title":"In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use...","description":"In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. 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-11 Android-10Android ID: A-175686168","status":"published","published":"2022-05-24T19:05:01Z","modified":"2023-01-29T05:07:58Z","cwes":["CWE-416"],"updated_at":"2026-11-02T14:46:12.058225Z"}],"nvd":[{"id":"CVE-2021-0475","description":"In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. 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-11 Android-10Android ID: A-175686168","status":"published","published":"2021-06-11T17:15:09.71Z","modified":"2026-06-17T03:30:10.44Z","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-416"],"updated_at":"2026-11-02T14:06:54.439974Z"}],"osv":[{"id":"ASB-A-175686168","description":"In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. 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":"2021-05-01T00:00:00Z","modified":"2026-11-06T16:30:33.305097686Z","updated_at":"2026-11-06T16:59:08.777969Z"}]}}