CVE-2023-21242

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
GoogleAndroid13

References

Timeline

Published
Aug 14, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-21242: Critical severity, CVSS 9.8 | Vulnix