What is CVE-2021-0511?

CVE-2021-0511 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2021-06-21.

How severe is CVE-2021-0511?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2021-0511 known to be exploited?

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

Improper input validation in Google Android

CVE-2021-0511

In Dex2oat of dex2oat.cc, there is a possible way to inject bytecode into an app due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11Android ID: A-178055795

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (12.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 9.0, 10.0, 11.0
N/a Android — versions Android-9 Android-10 Android-11

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-0511?: CVE-2021-0511 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2021-06-21.
How severe is CVE-2021-0511?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-0511 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.