High severity7.8NVD Advisory· Published Mar 30, 2022· Updated Jun 17, 2026

CVE-2021-39789

Description

In Telecom, there is 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 needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-203880906

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Google/Android SDKcpe-rescue
Google/Androidllm-fuzzy
Range: Android-12L

Patches

Vulnerability mechanics

References

source.android.com/security/bulletin/android-12lnvdVendor Advisory

News mentions

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