Is CVE-2023-21242 being actively exploited?

CVE-2023-21242 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2023-21242?

CVE-2023-21242 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2023-21242

CRITICAL · CVSS 9.8EPSS 0.5%EU EUVD

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.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS score: 0.5% (44th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2023-25410)
Published: August 14, 2023
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2023-25410 in the EU Vulnerability Database. Last updated in EUVD on October 9, 2024.

View on the EU Vulnerability Database

Affected products

google / android

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Google Pixel Devices on Android 13 - Google LLC - Common Criteria CCEVS-VR-11317-2023 - archived

References

https://android.googlesource.com/platform/packages/modules/Wifi/+/72e903f258b5040b8f492cf18edd124b5a1ac770(Patch)
https://source.android.com/security/bulletin/2023-08-01(Patch, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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