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High severity7.3NVD Advisory· Published Jan 11, 2021· Updated Jun 17, 2026

CVE-2021-0319

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Android/Androiddescription
  • Google/Android SDKllm-fuzzy
    Range: Android-8.0, Android-8.1, Android-9, Android-10, Android-11

Patches

Vulnerability mechanics

References

1

News mentions

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