CVE-2021-0889 Missing authorization in Android

What is CVE-2021-0889?

CVE-2021-0889 is a critical missing authorization vulnerability in Google Android, published on 15 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Android TV , there is a possible silent pairing due to lack of rate limiting in the pairing flow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-8.1 Android-9Android ID: A-180745296

Which versions are affected by CVE-2021-0889?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0889?

Apply the vendor's patch.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-0889 being exploited?

There is no known exploitation of CVE-2021-0889 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 A-180745296, ASB-A-180745296, GHSA-56fq-7jc4-6x2c.