PT-2022-11061 · Google · Android

Published 2022-03-30 · Updated 2022-04-05 · CVE-2021-39783

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-12L

Description The issue is related to a missing permission check in the rcsservice, allowing modification of TTY mode. This could lead to local escalation of privilege without needing additional execution privileges. User interaction is not required for exploitation.

Recommendations For Android versions Android-12L, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

CVE-2021-39783

Affected Products

Android

References · 4

• https://osv.dev/vulnerability/CVE-2021-39783 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39783 · Security Note
• https://source.android.com/security/bulletin/android-12l · Vendor Advisory
• https://t.me/cibsecurity/39861 · Telegram Post