{"id":"CVE-2021-0571","aliases":["A-137395936","EUVD-2021-3190","GHSA-mhrh-8vw7-3jjr","PUB-A-137395936"],"status":"published","title":"In ActivityTaskManagerService.startActivity() and AppTaskImpl.startActivity() of...","description":"In ActivityTaskManagerService.startActivity() and AppTaskImpl.startActivity() of ActivityTaskManagerService.java and AppTaskImpl.java, there is possible access to restricted activities due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-137395936","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":0.00109,"percentile":0.01212,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287","CWE-863"],"published":"2021-06-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/frameworks/base","fixed_in":["11:2021-06-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-06-01"}]}],"versions":["11"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2021-06-01","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0571"},{"url":"https://github.com/advisories/GHSA-mhrh-8vw7-3jjr"},{"url":"https://source.android.com/security/bulletin/2021-06-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/frameworks/base/+/f9e5c9fe4671813043385406dd9a49b3b9d0d89f","tags":["fix"]},{"url":"https://android.googlesource.com/platform/frameworks/base/+/9e0a751edb761e1acd51893ecb154844073a35d7","tags":["fix"]},{"url":"https://android.googlesource.com/platform/frameworks/base/+/520f1e7497b2edff3d54b069b793645d0462cf97","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0571","description":"In ActivityTaskManagerService.startActivity() and AppTaskImpl.startActivity() of ActivityTaskManagerService.java and AppTaskImpl.java, there is possible access to restricted activities due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-137395936","status":"published","published":"2021-06-22T10:56:29Z","modified":"2024-08-03T15:47:28.131Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-3190","description":"In ActivityTaskManagerService.startActivity() and AppTaskImpl.startActivity() of ActivityTaskManagerService.java and AppTaskImpl.java, there is possible access to restricted activities due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-137395936","status":"published","published":"2021-06-22T10:56:29Z","modified":"2024-08-03T15:47:28Z","updated_at":"2026-11-03T03:25:16.546422Z"}],"ghsa":[{"id":"GHSA-mhrh-8vw7-3jjr","title":"In ActivityTaskManagerService.startActivity() and AppTaskImpl.startActivity() of...","description":"In ActivityTaskManagerService.startActivity() and AppTaskImpl.startActivity() of ActivityTaskManagerService.java and AppTaskImpl.java, there is possible access to restricted activities due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-137395936","status":"published","published":"2022-05-24T19:05:55Z","modified":"2023-01-27T05:02:50Z","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-287"],"updated_at":"2026-11-02T14:42:06.943612Z"}],"nvd":[{"id":"CVE-2021-0571","description":"In ActivityTaskManagerService.startActivity() and AppTaskImpl.startActivity() of ActivityTaskManagerService.java and AppTaskImpl.java, there is possible access to restricted activities due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-137395936","status":"published","published":"2021-06-22T11:15:08.727Z","modified":"2026-06-17T03:30:20.72Z","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":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:06:54.892562Z"}],"osv":[{"id":"PUB-A-137395936","description":"In ActivityTaskManagerService.startActivity() and AppTaskImpl.startActivity() of ActivityTaskManagerService.java and AppTaskImpl.java, there is possible access to restricted activities due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2021-06-01T00:00:00Z","modified":"2026-11-09T16:40:10.884737887Z","updated_at":"2026-11-10T17:35:07.907985Z"}]}}