{"id":"CVE-2021-39799","aliases":["A-200288596","ASB-A-200288596","EUVD-2021-26156","GHSA-5h55-r66f-vc93"],"status":"published","title":"In AttributionSource of AttributionSource.java, there is a possible permission bypass due to...","description":"In AttributionSource of AttributionSource.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-200288596","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":0.00122,"percentile":0.02001,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269","CWE-863"],"published":"2022-04-01T00:00:00Z","modified":"2026-11-04T16:48:29Z","fixes":[{"ecosystem":"Android","package":"platform/frameworks/base","fixed_in":["12:2022-04-01","12L:2022-04-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2022-04-01"}]}],"versions":["12"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12L:0"},{"fixed":"12L:2022-04-01"}]}],"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-2021-39799"},{"url":"https://github.com/advisories/GHSA-5h55-r66f-vc93"},{"url":"https://android.googlesource.com/platform/frameworks/base/+/b716ef0497811c40f4908d657d3c9f99fa23595d","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-39799","description":"In AttributionSource of AttributionSource.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-200288596","status":"published","published":"2022-04-12T16:11:43Z","modified":"2024-08-04T02:20:33.351Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-26156","description":"In AttributionSource of AttributionSource.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-200288596","status":"published","published":"2022-04-12T16:11:43Z","modified":"2024-08-04T02:20:33Z","updated_at":"2026-11-03T03:24:22.263982Z"}],"ghsa":[{"id":"GHSA-5h55-r66f-vc93","title":"In AttributionSource of AttributionSource.java, there is a possible permission bypass due to...","description":"In AttributionSource of AttributionSource.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-200288596","status":"published","published":"2022-04-13T00:00:27Z","modified":"2023-01-27T05:01:37Z","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":"2026-11-02T14:41:55.795759Z"}],"nvd":[{"id":"CVE-2021-39799","description":"In AttributionSource of AttributionSource.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-200288596","status":"published","published":"2022-04-12T17:15:08.287Z","modified":"2026-06-17T04:04:10.66Z","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-863"],"updated_at":"2026-11-02T14:07:06.029737Z"}],"osv":[{"id":"ASB-A-200288596","description":"In AttributionSource of AttributionSource.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege 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"}]}}