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CVE-2020-0471 Details

Description

In reassemble_and_dispatch of packet_fragmenter.cc, there is a possible way to inject packets into an encrypted Bluetooth connection due to improper input validation. This could lead to remote escalation of privilege between two Bluetooth devices by a proximal attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-169327567.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://source.android.com/security/bulletin/2021-01-01	CVE	PatchVendor Advisory
https://source.android.com/security/bulletin/2021-01-01	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
google android	8.0 8.1 9.0 10.0 11.0
CPE cpe:2.3:o:google:android:8.0:::::::* cpe:2.3:o:google:android:8.1:::::::* cpe:2.3:o:google:android:9.0:::::::* cpe:2.3:o:google:android:10.0:::::::* cpe:2.3:o:google:android:11.0:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jul 21, 2021	CWE Remap	[email protected]
Jan 13, 2021	Initial Analysis	[email protected]