CVE-2021-30161 Auth bypass in n/a

What is CVE-2021-30161?

CVE-2021-30161 is a medium-severity authentication bypass vulnerability in Google Android, published on 6 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered on LG mobile devices with Android OS 11 software. Attackers can bypass the lockscreen protection mechanism after an incoming call has been terminated. The LG ID is LVE-SMP-210002 (April 2021).

Which versions are affected by CVE-2021-30161?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-30161?

No fix has been published for CVE-2021-30161 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-30161 being exploited?

There is no known exploitation of CVE-2021-30161 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-m23p-3qj9-8782.