CVE-2016-2457 Auth bypass in n/a

What is CVE-2016-2457?

CVE-2016-2457 is a medium-severity authentication bypass vulnerability in Google Android, published on 9 May 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

server/pm/UserManagerService.java in Wi-Fi in Android 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-05-01 allows attackers to bypass intended restrictions on Wi-Fi configuration changes by leveraging guest access, aka internal bug 27411179.

Weakness: CWE-264

Which versions are affected by CVE-2016-2457?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2016-2457?

No fix has been published for CVE-2016-2457 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-2016-2457 being exploited?

There is no known exploitation of CVE-2016-2457 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-327w-jr39-3fwh, UBUNTU-CVE-2016-2457.