CVE-2021-0645

Published: Aug 17, 2021Modified: Jun 17, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

In shouldBlockFromTree of ExternalStorageProvider.java, there is a possible permissions bypass. This could lead to local escalation of privilege, allowing an app to read private app directories in external storage, which should be restricted in Android 11, with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-157320644

Affected (1)

Products: Google: Android

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Google Android	Version 11.0

Related CWEs

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (2)

https://source.android.com/security/bulletin/2021-08-01

Source: security@android.com

PatchVendor Advisory

https://source.android.com/security/bulletin/2021-08-01

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.