PT-2022-14670 · Google · Android

Published 2022-11-01 · Updated 2026-05-29 · CVE-2022-20448

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android-10 Android-11 Android-12 Android-12L Android-13

Description A permissions bypass in the buzzBeepBlinkLocked() function of NotificationManagerService.java allows for the sharing of data across users. This issue can lead to a local escalation of privilege without requiring additional execution privileges or user interaction. Specifically, a missing user check may allow a screen reader to leak private notifications from another user.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Default Permissions

Weakness Enumeration

CWE-276

Related Identifiers

ASB-A-237540408

CVE-2022-20448

Affected Products

Android

References · 11

• https://cve.org/CVERecord?id=CVE-2022-20448 · Security Note
• https://osv.dev/vulnerability/ASB-A-237540408 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-20448 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20448 · Security Note
• https://osv.dev/vulnerability/CVE-2022-20448 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-20448 · Vendor Advisory
• https://source.android.com/security/bulletin/2022-11-01 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/base/+/7b9ea7a75ed2de51e883f450b701c8d0d82e6e9c · Note
• https://t.me/cvenotify/120522 · Telegram Post
• https://t.me/cibsecurity/52690 · Telegram Post
• https://twitter.com/ThePracticalDev/status/2060210778678886488 · Twitter Post