CVE-2023-21138

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-15 · updated 2026-06-17
Weakness: CWE-20

Description

In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due to improper input validation. This could lead to local escalation of privilege and background activity launches with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-273260090

Affected products

Android: 11.0, 12.0, 12.1, 13.0

References

https://source.android.com/security/bulletin/2023-06-01
https://source.android.com/security/bulletin/2023-06-01

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