{"id":"PUB-A-192475653", "published":"2021-12-01T00:00:00Z", "modified":"2026-05-22T15:55:21.353668239Z", "aliases":["CVE-2021-0984", "A-192475653"], "details":"In onNullBinding of ManagedServices.java, there is a possible permission bypass due to an incorrectly unbound service. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.", "affected":[{"package":{"name":"platform/frameworks/base", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"12:0"}, {"fixed":"12:2021-12-01"}]}], "versions":["12"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/frameworks/base/+/aaf8e1f3f4873756d9752c6abd52346551a03dd3"], "severity":"Moderate", "spl":"2021-12-01", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"238774345248562580172264236141630084402", "length":167}, "id":"PUB-A-192475653-6569ac77", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/aaf8e1f3f4873756d9752c6abd52346551a03dd3", "target":{"file":"services/core/java/com/android/server/notification/ManagedServices.java", "function":"onNullBinding"}}, {"deprecated":false, "digest":{"function_hash":"237475718620824192536635296691531044694", "length":3460}, "id":"PUB-A-192475653-679563a5", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/aaf8e1f3f4873756d9752c6abd52346551a03dd3", "target":{"file":"services/core/java/com/android/server/notification/ManagedServices.java", "function":"registerServiceLocked"}}, {"deprecated":false, "digest":{"line_hashes":["100972045598536424117676405704869172807", "321497472492031242723487439288624158482", "338712200486368850583931550925437878257", "337793588728295501160877314336902200538"], "threshold":0.9}, "id":"PUB-A-192475653-bfddd2df", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/aaf8e1f3f4873756d9752c6abd52346551a03dd3", "target":{"file":"services/core/java/com/android/server/notification/ManagedServices.java"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2021-12-01"}, {"type":"FIX", "url":"https://android.googlesource.com/platform/frameworks/base/+/aaf8e1f3f4873756d9752c6abd52346551a03dd3"}]}