What is CVE-2021-0438?

CVE-2021-0438 is a high-severity vulnerability in Google Android, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 7.8/10. Published 2021-04-13.

How severe is CVE-2021-0438?

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

Vulnerability in Google Android

CVE-2021-0438

In several functions of InputDispatcher.cpp, WindowManagerService.java, and related files, there is a possible tapjacking attack due to an incorrect FLAG_OBSCURED value. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-152064592

EPSS: 0.001 (3.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

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

Weakness classification (CWE)

CWE-1021 — Improper Restriction of Rendered UI Layers or Frames (Clickjacking)

References

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

Frequently asked questions

What is CVE-2021-0438?: CVE-2021-0438 is a high-severity vulnerability in Google Android, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 7.8/10. Published 2021-04-13.
How severe is CVE-2021-0438?: High severity. CVSS v3 base score is 7.8 out of 10.