Vulnerability · Published Jan 11, 2021 · Assigned by google_android

CVE-2021-0319

High 7.3

In plain English

A high-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS NVD)7.3High

Exploit odds (30 days)0.3%top 80.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack tooling1Public PoC

Official 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 products (as reported)

Vendor	Product	Versions
n/a	Android	Android-8.0Android-8.1Android-9Android-10Android-11

References

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