What’s Vulnerable › Vulnerabilities

CVE-2023-21091

• 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: 2023-04-19 · updated 2026-06-17
• Weakness: CWE-862

Description

In canDisplayLocalUi of AppLocalePickerActivity.java, there is a possible way to change system app locales due to a missing permission check. This could lead to local denial of service across user boundaries with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-257954050

Affected products

• Android: 13.0

References

• https://source.android.com/security/bulletin/2023-04-01
• https://source.android.com/security/bulletin/2023-04-01

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