{"id":"CVE-2021-0430","aliases":["A-178725766","ASB-A-178725766","EUVD-2021-3049","GHSA-p9r5-2m4c-75p3"],"status":"published","title":"In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to a missing...","description":"In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution via a malicious NFC packet with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11Android ID: A-178725766","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02842,"percentile":0.86777,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2021-04-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/system/nfc","fixed_in":["10:2021-04-01","11:2021-04-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/system/nfc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2021-04-01"}]}],"versions":["10"]},{"source":"osv","ecosystem":"Android","package":"platform/system/nfc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-04-01"}]}],"versions":["11"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2021-04-01","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"http://packetstormsecurity.com/files/162380/Android-NFC-Stack-Out-Of-Bounds-Write.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0430"},{"url":"https://github.com/advisories/GHSA-p9r5-2m4c-75p3"},{"url":"https://android.googlesource.com/platform/system/nfc/+/02f7762236890ce05385ccd19bfaf9821cba9e2e","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0430","description":"In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution via a malicious NFC packet with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11Android ID: A-178725766","status":"published","published":"2021-04-13T18:25:42Z","modified":"2024-08-03T15:40:01.25Z","updated_at":"2026-11-02T14:33:10.555814Z"}],"euvd":[{"id":"EUVD-2021-3049","description":"In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution via a malicious NFC packet with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11Android ID: A-178725766","status":"published","published":"2021-04-13T18:25:42Z","modified":"2024-08-03T15:40:01Z","updated_at":"2026-11-03T03:25:17.553486Z"}],"ghsa":[{"id":"GHSA-p9r5-2m4c-75p3","title":"In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to a missing...","description":"In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution via a malicious NFC packet with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11Android ID: A-178725766","status":"published","published":"2022-05-24T17:47:11Z","modified":"2023-01-29T05:07:14Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:09.625645Z"}],"nvd":[{"id":"CVE-2021-0430","description":"In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution via a malicious NFC packet with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11Android ID: A-178725766","status":"published","published":"2021-04-13T19:15:12.787Z","modified":"2026-06-17T03:29:58.507Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:51.610648Z"}],"osv":[{"id":"ASB-A-178725766","description":"In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution via a malicious NFC packet with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2021-04-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:14.774652Z"}]}}