{"id":"CVE-2021-39807","aliases":["A-209446496","ASB-A-209446496","EUVD-2021-26164","GHSA-fvhw-88h4-wrgq"],"status":"published","title":"In handleNfcStateChanged of SecureNfcEnabler.java, there is a possible way to enable NFC from the...","description":"In handleNfcStateChanged of SecureNfcEnabler.java, there is a possible way to enable NFC from the Guest account due to a missing permission check. This could lead to local escalation of privilege from the Guest account with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-209446496","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0011,"percentile":0.01303,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269"],"published":"2022-04-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/packages/apps/Settings","fixed_in":["10:2022-04-05","11:2022-04-05","12:2022-04-05","12L:2022-04-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/packages/apps/Settings","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2022-04-05"}]}],"versions":["10"]},{"source":"osv","ecosystem":"Android","package":"platform/packages/apps/Settings","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2022-04-05"}]}],"versions":["11"]},{"source":"osv","ecosystem":"Android","package":"platform/packages/apps/Settings","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2022-04-05"}]}],"versions":["12"]},{"source":"osv","ecosystem":"Android","package":"platform/packages/apps/Settings","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12L:0"},{"fixed":"12L:2022-04-05"}]}],"versions":["12L"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2022-04-01","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39807"},{"url":"https://github.com/advisories/GHSA-fvhw-88h4-wrgq"},{"url":"https://android.googlesource.com/platform/packages/apps/Settings/+/c59ecb07f5b16d38f3976ce393cc5c29a241963a","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-39807","description":"In handleNfcStateChanged of SecureNfcEnabler.java, there is a possible way to enable NFC from the Guest account due to a missing permission check. This could lead to local escalation of privilege from the Guest account with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-209446496","status":"published","published":"2022-04-12T16:11:48Z","modified":"2024-08-04T02:20:33.276Z","updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-26164","description":"In handleNfcStateChanged of SecureNfcEnabler.java, there is a possible way to enable NFC from the Guest account due to a missing permission check. This could lead to local escalation of privilege from the Guest account with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-209446496","status":"published","published":"2022-04-12T16:11:48Z","modified":"2024-08-04T02:20:33Z","updated_at":"2026-11-03T03:24:22.263982Z"}],"ghsa":[{"id":"GHSA-fvhw-88h4-wrgq","title":"In handleNfcStateChanged of SecureNfcEnabler.java, there is a possible way to enable NFC from the...","description":"In handleNfcStateChanged of SecureNfcEnabler.java, there is a possible way to enable NFC from the Guest account due to a missing permission check. This could lead to local escalation of privilege from the Guest account with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-209446496","status":"published","published":"2022-04-13T00:00:27Z","modified":"2023-01-27T05:01:33Z","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-269"],"updated_at":"2026-11-02T14:41:55.318028Z"}],"nvd":[{"id":"CVE-2021-39807","description":"In handleNfcStateChanged of SecureNfcEnabler.java, there is a possible way to enable NFC from the Guest account due to a missing permission check. This could lead to local escalation of privilege from the Guest account with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-209446496","status":"published","published":"2022-04-12T17:15:08.583Z","modified":"2026-06-17T04:04:11.443Z","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","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:07:06.029737Z"}],"osv":[{"id":"ASB-A-209446496","description":"In handleNfcStateChanged of SecureNfcEnabler.java, there is a possible way to enable NFC from the Guest account due to a missing permission check. This could lead to local escalation of privilege from the Guest account with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2022-04-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-09T17:04:22.742827Z"}]}}