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.
Exploits (1)
nomisec
WRITEUP
by Satheesh575555 · poc
https://github.com/Satheesh575555/frameworks_base_AOSP10_r33_CVE-2021-0319
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://source.android.com/security/bulletin/2021-01-01
Scores
CVSS v3
7.3
EPSS
0.0001
EPSS Percentile
1.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-863
Status
published
Products (5)
google/android
8.0
google/android
8.1
google/android
9.0
google/android
10.0
google/android
11.0
Published
Jan 11, 2021
Tracked Since
Feb 18, 2026