Is CVE-2021-0430 actively exploited?

No active exploitation of CVE-2021-0430 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-0430 be exploited remotely?

Yes. CVE-2021-0430 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-0430?

CVE-2021-0430 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-0430

CRITICAL

CVE-2021-0430

CWE-787Published: April 13, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution via a malicious NFC packet with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11Android ID: A-178725766

NVD Source

Technical Analysis

CVE-2021-0430 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.