What is CVE-2021-0431?

CVE-2021-0431 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-04-13.

How severe is CVE-2021-0431?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-0431 known to be exploited?

15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Google Android

CVE-2021-0431

In avrc_msg_cback of avrc_api.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure to a paired device with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-174149901

Vulnerability class: Buffer Overflow

EPSS: 0.017 (75.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Google Android — versions 8.1, 9.0, 10.0
N/a Android — versions Android-11 Android-8.1 Android-9 Android-10

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0431?: CVE-2021-0431 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-04-13.
How severe is CVE-2021-0431?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-0431 known to be exploited?: 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.