PT-2021-13214 · Google · Android

Published 2021-06-22 · Updated 2021-06-24 · CVE-2021-0571

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Android version Android-11

Description: The issue is related to a permissions bypass in the startActivity() methods of ActivityTaskManagerService and AppTaskImpl. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations: For Android version Android-11, consider restricting access to the startActivity() methods in ActivityTaskManagerService and AppTaskImpl to minimize the risk of exploitation. As a temporary workaround, review and limit the use of restricted activities until a patch is available.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2021-0571

Affected Products

Android

References · 4

• https://osv.dev/vulnerability/CVE-2021-0571 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0571 · Security Note
• https://source.android.com/security/bulletin/pixel/2021-06-01 · Vendor Advisory
• https://t.me/cibsecurity/25598 · Telegram Post