What is CVE-2020-27043?

CVE-2020-27043 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 4.4/10. Published 2020-12-15.

How severe is CVE-2020-27043?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Out-of-bounds Read in Google Android

CVE-2020-27043

In nfc_enabled of nfc_main.cc, there is a possible out of bounds read due to an incorrect increment. This could lead to local information disclosure via firmware with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-155234594

Vulnerability class: Buffer Overflow

Published 2020-12-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (3.0th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Google Android — versions 11.0
Android — versions Android-11

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

source.android.com/security/bulletin/pixel/2020-12-01 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-27043?: CVE-2020-27043 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 4.4/10. Published 2020-12-15.
How severe is CVE-2020-27043?: Medium severity. CVSS v3 base score is 4.4 out of 10.