CVE-2020-27059

HIGH

Android 8.0-11 - Tapjacking via Fingerprint Authentication Overlay

Title source: llm

Description

In onAuthenticated of AuthenticationClient.java, there is a possible tapjacking attack when requesting the user's fingerprint due to an overlaid window. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, 11; Android ID: A-159249069.

References (1)

Core 1

Core References

Exploit, Patch, Vendor Advisory x_refsource_confirm

https://source.android.com/security/bulletin/pixel/2021-01-01

Scores

CVSS v3 7.8

EPSS 0.0021

EPSS Percentile 11.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE

CWE-1021

Status published

Products (5)

google/android 8.0

google/android 8.1

google/android 9.0

google/android 10.0

google/android 11.0

Published Jan 11, 2021

Tracked Since Feb 18, 2026