What is CVE-2020-0471?

CVE-2020-0471 is a critical-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2021-01-11.

How severe is CVE-2020-0471?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-0471 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Google Android

CVE-2020-0471

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.016 (73.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 8.0, 8.1, 9.0
N/a Android — versions Android-8.0, Android-8.1, Android-9

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

security@android.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-0471?: CVE-2020-0471 is a critical-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2021-01-11.
How severe is CVE-2020-0471?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-0471 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.