CVE-2023-21111

Severity: medium (CVSS 5.5 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: 2023-05-15 · updated 2026-06-17
Weakness: CWE-20

Description

In several functions of PhoneAccountRegistrar.java, there is a possible way to prevent an access to emergency services due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-256819769

Affected products

Android: 11.0, 12.0, 12.1, 13.0

References

https://source.android.com/security/bulletin/2023-05-01
https://source.android.com/security/bulletin/2023-05-01

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