What is CVE-2021-0430?

CVE-2021-0430 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-04-13.

How severe is CVE-2021-0430?

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

Buffer overflow in Google Android

CVE-2021-0430

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

Vulnerability class: Buffer Overflow

EPSS: 0.028 (85.2th 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 10.0, 11.0
N/a Android — versions Android-10 Android-11

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)
security@android.com (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-0430?: CVE-2021-0430 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-04-13.
How severe is CVE-2021-0430?: Critical severity. CVSS v3 base score is 9.8 out of 10.