CVE-2023-21242: Google Android

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

In isServerCertChainValid of InsecureEapNetworkHandler.java, there is a possible way to trust an imposter server due to a logic error in the code. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

• Google Android: version 13.0 only

Published 2023-08-14. Last modified 2026-06-17.