CVE-2021-0430 Memory corruption in Android

What is CVE-2021-0430?

CVE-2021-0430 is a critical memory corruption vulnerability in Google Android, published on 13 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

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

Weakness: CWE-787

Which versions are affected by CVE-2021-0430?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0430?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-0430 being exploited?

There is no known exploitation of CVE-2021-0430 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as A-178725766, ASB-A-178725766, GHSA-p9r5-2m4c-75p3.