CVE-2021-0430

Name: CVE-2021-0430
Creator: NVD / NIST
Published: 2021-04-13T19:15:12.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.85%

Last modified Jun 17, 2026

CVE-2021-0430 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 2.85% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.85%

84.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Google	Android	10.0
Google	Android	11.0

References

http://packetstormsecurity.com/files/162380/Android-NFC-Stack-Out-Of-Bounds-Write.htmlThird Party Advisory, VDB Entry
https://source.android.com/security/bulletin/2021-04-01Patch, Vendor Advisory
http://packetstormsecurity.com/files/162380/Android-NFC-Stack-Out-Of-Bounds-Write.htmlThird Party Advisory, VDB Entry
https://source.android.com/security/bulletin/2021-04-01Patch, Vendor Advisory

Timeline

Published: Apr 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-0430?

How severe is CVE-2021-0430?

CVE-2021-0430 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.85% probability of exploitation in the next 30 days.

How do I fix CVE-2021-0430?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-0430?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST