{"id":"PUB-A-255537598","details":"In isTargetSdkLessThanQOrPrivileged of WifiServiceImpl.java, there is a possible way for the guest user to change admin user network settings  due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-255537598","CVE-2023-21021"],"modified":"2026-09-21T16:00:45.521740994Z","published":"2023-03-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-03-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/packages/modules/Wifi/+/6db4ba73e6a101d02131c5849ece6cf5619e377b"}],"affected":[{"package":{"name":"platform/packages/modules/Wifi","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-03-01"}]}],"versions":["13"],"ecosystem_specific":{"severity":"Moderate","spl":"2023-03-01","types":["EoP"],"vanir_signatures":[{"id":"PUB-A-255537598-144c845d","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/modules/Wifi/+/6db4ba73e6a101d02131c5849ece6cf5619e377b","target":{"function":"isTargetSdkLessThanQOrPrivileged","file":"service/java/com/android/server/wifi/WifiServiceImpl.java"},"deprecated":false,"digest":{"function_hash":"300644194795665403119258562246523309226","length":360}},{"id":"PUB-A-255537598-dbdc6e09","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/modules/Wifi/+/6db4ba73e6a101d02131c5849ece6cf5619e377b","target":{"file":"service/java/com/android/server/wifi/WifiServiceImpl.java"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["114921050774445932766419954125273037652","24982070248182902993493787616874260263","332987931762731709008236448683313426795","195421297787926007786231591004009845693"]}}],"fixes":["https://android.googlesource.com/platform/packages/modules/Wifi/+/6db4ba73e6a101d02131c5849ece6cf5619e377b"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-255537598.json"}}],"schema_version":"1.9.0"}