PT-2021-13197 · Google · Android

Published 2021-06-22 · Updated 2021-06-25 · CVE-2021-0550

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 versions Android-11

Description: The issue is related to a confused deputy in the onLoadFailed method of AnnotateActivity.java, which could allow gaining WRITE EXTERNAL STORAGE permissions without user consent. 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 the use of the WRITE EXTERNAL STORAGE permission to minimize the risk of exploitation until a patch is available. As a temporary workaround, review and restrict access to sensitive external storage to prevent potential abuse.

Fix

Weakness Enumeration

CWE-610

Related Identifiers

CVE-2021-0550

Affected Products

Android

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-0550 · Security Note
• https://osv.dev/vulnerability/CVE-2021-0550 · Vendor Advisory
• https://source.android.com/security/bulletin/pixel/2021-06-01 · Vendor Advisory
• https://t.me/cvenotify/16637 · Telegram Post