CVE-2021-0319

high

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.

References

https://source.android.com/security/bulletin/2021-01-01

Details

Source: Mitre, NVD

Published: 2021-01-11

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.3

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00012