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CVE-2021-0319

HIGH
7.3
CVSS Score
Published: January 11, 2021 at 09:47 PM UTC
Updated: June 17, 2026 at 03:29 AM UTC
1 product affected across 1 vendorAndroid

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Severity
HIGH7.3
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://source.android.com/security/bulletin/2021-01-01

CVSS

7.3HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-863

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