CVE-2021-0345 Privilege escalation in Android

What is CVE-2021-0345?

CVE-2021-0345 is a medium-severity vulnerability in Google Android, published on 4 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In mobile_log_d, there is a possible escalation of privilege due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-10, Android-11; Patch ID: ALPS05432974.

Weakness: CWE-20

Which versions are affected by CVE-2021-0345?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0345?

No fix has been published for CVE-2021-0345 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-0345 being exploited?

There is no known exploitation of CVE-2021-0345 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-8cg3-m5v9-gvh4.