CVE-2020-27059 — HIGH (7.8)

Vulnerability 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.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	8.0

Related Weaknesses (CWE)

CWE-1021

References

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

FAQ

What is CVE-2020-27059?

CVE-2020-27059 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 privileg...

How severe is CVE-2020-27059?

CVE-2020-27059 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-27059?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.