{"id":"ASB-A-177927831","details":"In getDefaultSmsPackage of RoleManagerService.java, there is a possible way to get information about the default sms app of a different device user due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-177927831","CVE-2021-0686"],"modified":"2026-09-18T15:47:37.392928379Z","published":"2021-09-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-09-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/frameworks/base/+/7f39ba09b8ccad2ae50874d3643cdc93746391ea"}],"affected":[{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2021-09-01"}]}],"versions":["10"],"ecosystem_specific":{"vanir_signatures":[{"signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/0abccabffee50a3960d0e116651921530c9d20c7","target":{"file":"services/core/java/com/android/server/role/RoleManagerService.java"},"deprecated":false,"digest":{"line_hashes":["239331090064650673413593309300806766034","337928780611741149121173800763509871368","191803898202686235053355730535849549756","263416126612021795030949025958055751121"],"threshold":0.9},"id":"ASB-A-177927831-3cdd312b","signature_type":"Line"},{"id":"ASB-A-177927831-ee12b4d2","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/0abccabffee50a3960d0e116651921530c9d20c7","target":{"file":"services/core/java/com/android/server/role/RoleManagerService.java","function":"getDefaultSmsPackage"},"deprecated":false,"digest":{"function_hash":"63133779015042464932094184556174830516","length":202}}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/0abccabffee50a3960d0e116651921530c9d20c7"],"severity":"High","spl":"2021-09-01","types":["ID"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-177927831.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-09-01"}]}],"versions":["11"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/frameworks/base/+/cf1bd25a37123624688f9965608a48d362ab4eb0"],"severity":"High","spl":"2021-09-01","types":["ID"],"vanir_signatures":[{"digest":{"line_hashes":["239331090064650673413593309300806766034","337928780611741149121173800763509871368","191803898202686235053355730535849549756","263416126612021795030949025958055751121"],"threshold":0.9},"id":"ASB-A-177927831-0682b9dd","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/cf1bd25a37123624688f9965608a48d362ab4eb0","target":{"file":"services/core/java/com/android/server/role/RoleManagerService.java"},"deprecated":false},{"digest":{"function_hash":"63133779015042464932094184556174830516","length":202},"id":"ASB-A-177927831-908143a7","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/cf1bd25a37123624688f9965608a48d362ab4eb0","target":{"file":"services/core/java/com/android/server/role/RoleManagerService.java","function":"getDefaultSmsPackage"},"deprecated":false}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-177927831.json"}}],"schema_version":"1.9.0"}