{"id":"ASB-A-185126319","details":"In sendLegacyVoicemailNotification of LegacyModeSmsHandler.java, there is a possible permissions bypass due to an unsafe PendingIntent. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-185126319","CVE-2021-39621"],"modified":"2026-09-18T15:47:37.392928379Z","published":"2022-01-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2022-01-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/packages/apps/Dialer/+/9c452d9f25d8fb41fd3ec627293a2481fde778d4"}],"affected":[{"package":{"name":"platform/packages/apps/Dialer","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9:0"},{"fixed":"9:2022-01-01"}]}],"versions":["9"],"ecosystem_specific":{"vanir_signatures":[{"signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Dialer/+/bdd6d1ea00f94296c251f4340a52a2035167370b","target":{"file":"java/com/android/voicemail/impl/sms/LegacyModeSmsHandler.java"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["106680201593422794262120843882354478791","326774004061573496066568127664103587028","295395256957196504913463328355904672893","149183730702223882063009548301812832852","111530533399569871322797409736703837069","164450686893749293223111827008859727071","72195964722680638204432878196194950937","172334718998239283189666931642852725078"]},"id":"ASB-A-185126319-2f5d2b96"},{"deprecated":false,"digest":{"function_hash":"242911685893440700542492214997579498592","length":1385},"id":"ASB-A-185126319-c19e1d43","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Dialer/+/bdd6d1ea00f94296c251f4340a52a2035167370b","target":{"function":"sendLegacyVoicemailNotification","file":"java/com/android/voicemail/impl/sms/LegacyModeSmsHandler.java"}}],"fixes":["https://android.googlesource.com/platform/packages/apps/Dialer/+/bdd6d1ea00f94296c251f4340a52a2035167370b"],"severity":"High","spl":"2022-01-01","types":["EoP"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-185126319.json"}},{"package":{"name":"platform/packages/apps/Dialer","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2022-01-01"}]}],"versions":["10"],"ecosystem_specific":{"vanir_signatures":[{"id":"ASB-A-185126319-47c021ac","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Dialer/+/bdd6d1ea00f94296c251f4340a52a2035167370b","target":{"file":"java/com/android/voicemail/impl/sms/LegacyModeSmsHandler.java"},"deprecated":false,"digest":{"line_hashes":["106680201593422794262120843882354478791","326774004061573496066568127664103587028","295395256957196504913463328355904672893","149183730702223882063009548301812832852","111530533399569871322797409736703837069","164450686893749293223111827008859727071","72195964722680638204432878196194950937","172334718998239283189666931642852725078"],"threshold":0.9}},{"target":{"file":"java/com/android/voicemail/impl/sms/LegacyModeSmsHandler.java","function":"sendLegacyVoicemailNotification"},"deprecated":false,"digest":{"function_hash":"242911685893440700542492214997579498592","length":1385},"id":"ASB-A-185126319-6c87a72c","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Dialer/+/bdd6d1ea00f94296c251f4340a52a2035167370b"}],"fixes":["https://android.googlesource.com/platform/packages/apps/Dialer/+/bdd6d1ea00f94296c251f4340a52a2035167370b"],"severity":"High","spl":"2022-01-01","types":["EoP"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-185126319.json"}},{"package":{"name":"platform/packages/apps/Dialer","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2022-01-01"}]}],"versions":["11"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/packages/apps/Dialer/+/bdd6d1ea00f94296c251f4340a52a2035167370b"],"severity":"High","spl":"2022-01-01","types":["EoP"],"vanir_signatures":[{"id":"ASB-A-185126319-c7359f3d","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Dialer/+/bdd6d1ea00f94296c251f4340a52a2035167370b","target":{"file":"java/com/android/voicemail/impl/sms/LegacyModeSmsHandler.java"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["106680201593422794262120843882354478791","326774004061573496066568127664103587028","295395256957196504913463328355904672893","149183730702223882063009548301812832852","111530533399569871322797409736703837069","164450686893749293223111827008859727071","72195964722680638204432878196194950937","172334718998239283189666931642852725078"]}},{"target":{"function":"sendLegacyVoicemailNotification","file":"java/com/android/voicemail/impl/sms/LegacyModeSmsHandler.java"},"deprecated":false,"digest":{"length":1385,"function_hash":"242911685893440700542492214997579498592"},"id":"ASB-A-185126319-f4f18912","signature_type":"Function","signature_version":"v1","source":"https://an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