What is CVE-2023-21101?

CVE-2023-21101 is a high-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2023-06-15.

How severe is CVE-2023-21101?

High severity. CVSS v3 base score is 7.0 out of 10.

Use After Free in Google Android

CVE-2023-21101

In multiple functions of WVDrmPlugin.cpp, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-258189255

Vulnerability class: Race Condition

EPSS: 0.001 (0.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android
N/a Android — versions Android SoC

Weakness classification (CWE)

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21101?: CVE-2023-21101 is a high-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2023-06-15.
How severe is CVE-2023-21101?: High severity. CVSS v3 base score is 7.0 out of 10.