{"id":"CVE-2021-0319","aliases":["A-167244818","ASB-A-167244818","EUVD-2021-2938","GHSA-m7xm-6mh9-6wwv"],"status":"published","title":"In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a...","description":"In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a nearby Bluetooth device's MAC address without appropriate permissions due to a permissions bypass. This could lead to local escalation of privilege that grants access to nearby MAC addresses, with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-167244818.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00269,"percentile":0.19277,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-863"],"published":"2021-01-01T00:00:00Z","modified":"2026-11-04T16:48:29Z","exploits":[{"source":"pocgithub","id":"Satheesh575555/frameworks_base_AOSP10_r33_CVE-2021-0319","title":"Satheesh575555/frameworks_base_AOSP10_r33_CVE-2021-0319","date":"2022-04-18","url":"https://github.com/Satheesh575555/frameworks_base_AOSP10_r33_CVE-2021-0319"}],"fixes":[{"ecosystem":"Android","package":"platform/frameworks/base","fixed_in":["8.0:2021-01-01","8.1:2021-01-01","9:2021-01-01","10:2021-01-01","11:2021-01-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0:0"},{"fixed":"8.0:2021-01-01"}]}],"versions":["8.0"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.1:0"},{"fixed":"8.1:2021-01-01"}]}],"versions":["8.1"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9:0"},{"fixed":"9:2021-01-01"}]}],"versions":["9"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10:0"},{"fixed":"10:2021-01-01"}]}],"versions":["10"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-01-01"}]}],"versions":["11"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2021-01-01","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0319"},{"url":"https://github.com/advisories/GHSA-m7xm-6mh9-6wwv"},{"url":"https://android.googlesource.com/platform/frameworks/base/+/0c17049d39b5a8867f030f6f36433564140e124a","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-0319","description":"In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a nearby Bluetooth device's MAC address without appropriate permissions due to a permissions bypass. This could lead to local escalation of privilege that grants access to nearby MAC addresses, with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-167244818.","status":"published","published":"2021-01-11T21:47:25Z","modified":"2024-08-03T15:32:10.685Z","updated_at":"2026-11-02T14:33:10.887946Z"}],"euvd":[{"id":"EUVD-2021-2938","description":"In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a nearby Bluetooth device's MAC address without appropriate permissions due to a permissions bypass. This could lead to local escalation of privilege that grants access to nearby MAC addresses, with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-167244818.","status":"published","published":"2021-01-11T21:47:25Z","modified":"2024-08-03T15:32:10Z","updated_at":"2026-11-03T03:25:17.997367Z"}],"ghsa":[{"id":"GHSA-m7xm-6mh9-6wwv","title":"In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a...","description":"In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a nearby Bluetooth device's MAC address without appropriate permissions due to a permissions bypass. This could lead to local escalation of privilege that grants access to nearby MAC addresses, with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-167244818.","status":"published","published":"2022-05-24T17:38:41Z","modified":"2023-01-29T05:05:20Z","cwes":["CWE-863"],"updated_at":"2026-11-02T14:45:45.932105Z"}],"nvd":[{"id":"CVE-2021-0319","description":"In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a nearby Bluetooth device's MAC address without appropriate permissions due to a permissions bypass. This could lead to local escalation of privilege that grants access to nearby MAC addresses, with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-167244818.","status":"published","published":"2021-01-11T22:15:13.643Z","modified":"2026-06-17T03:29:47.11Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:06:49.284888Z"}],"osv":[{"id":"ASB-A-167244818","description":"In checkCallerIsSystemOr of CompanionDeviceManagerService.java, there is a possible way to get a nearby Bluetooth device's MAC address without appropriate permissions due to a permissions bypass. This could lead to local escalation of privilege that grants access to nearby MAC addresses, with User execution privileges needed. User interaction is needed for exploitation.","status":"published","published":"2021-01-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:04.393608Z"}]}}