PT-2021-13002 · Google · Android

Published 2021-01-01 · Updated 2021-01-13 · CVE-2021-0319

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Android versions Android-8.0 through Android-11

Description: The issue allows for a possible permissions bypass in the checkCallerIsSystemOr function of CompanionDeviceManagerService.java, enabling access to a nearby Bluetooth device's MAC address without proper permissions. This could lead to local escalation of privilege, granting access to nearby MAC addresses with User execution privileges needed. User interaction is required for exploitation.

Recommendations: For Android versions Android-8.0 through Android-11, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

ASB-A-167244818

CVE-2021-0319

Affected Products

Android

References · 5

• https://osv.dev/vulnerability/CVE-2021-0319 · Vendor Advisory
• https://source.android.com/security/bulletin/2021-01-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0319 · Security Note
• https://osv.dev/vulnerability/ASB-A-167244818 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/0c17049d39b5a8867f030f6f36433564140e124a · Note