PT-2022-11066 · Google · Android

Published 2022-03-30 · Updated 2022-04-05 · CVE-2021-39789

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 prior to the fixed version

Description The issue concerns a possible leak of TTY mode change due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations For Android versions prior to the fixed version, update to a version that includes the fix for this issue to prevent local escalation of privilege.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2021-39789

Affected Products

Android

References · 3

• https://source.android.com/security/bulletin/android-12l · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39789 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39789 · Security Note