CVE-2024-13916

Exposure of Applications' Encryption PINs in Kruger&Matz AppLock

Published May 30, 2025 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
An application "com.pri.applock", which is pre-loaded on Kruger&Matz smartphones, allows a user to encrypt any application using user-provided PIN code or by using biometric data.
Exposed ”com.android.providers.settings.fingerprint.PriFpShareProvider“ content provider's public method query() allows any other malicious application, without any granted Android system permissions, to exfiltrate the PIN code.

Only version (version name: 13, version code: 33) was tested and confirmed to have this vulnerability.
Application update was released in April 2025.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-54615 An application "com.pri.applock", which is pre-loaded on Kruger&Matz smartphones, allows a user to encrypt any application using user-provided PIN code or by using biometric data. Exposed ”com.android.providers.settings.fingerprint.PriFpShareProvider“ content provider's public method query() allows any other malicious application, without any granted Android system permissions, to exfiltrate the PIN code. Only version (version name: 13, version code: 33) was tested and confirmed to have this vulnerability. Application update was released in April 2025.
History
Type Values Removed Values Added
Weaknesses CWE-497
Type Values Removed Values Added
Weaknesses CWE-926
Type Values Removed Values Added
Description An application "com.pri.applock", which is pre-loaded on Kruger&Matz smartphones, allows a user to encrypt any application using user-provided PIN code or by using biometric data. Exposed ”com.android.providers.settings.fingerprint.PriFpShareProvider“ content provider's public method query() allows any other malicious application, without any granted Android system permissions, to exfiltrate the PIN code. Vendor did not provide information about vulnerable versions. Only version (version name: 13, version code: 33) was tested and confirmed to have this vulnerability An application "com.pri.applock", which is pre-loaded on Kruger&Matz smartphones, allows a user to encrypt any application using user-provided PIN code or by using biometric data. Exposed ”com.android.providers.settings.fingerprint.PriFpShareProvider“ content provider's public method query() allows any other malicious application, without any granted Android system permissions, to exfiltrate the PIN code. Only version (version name: 13, version code: 33) was tested and confirmed to have this vulnerability. Application update was released in April 2025.
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An application "com.pri.applock", which is pre-loaded on Kruger&Matz smartphones, allows a user to encrypt any application using user-provided PIN code or by using biometric data. Exposed ”com.android.providers.settings.fingerprint.PriFpShareProvider“ content provider's public method query() allows any other malicious application, without any granted Android system permissions, to exfiltrate the PIN code. Vendor did not provide information about vulnerable versions. Only version (version name: 13, version code: 33) was tested and confirmed to have this vulnerability
Title Exposure of Applications' Encryption PINs in Kruger&Matz AppLock
Weaknesses CWE-497
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERT-PL
Published
Updated
Oct 3, 2025, 9:01 AM
Reserved
Mar 4, 2025, 1:18 PM
Status
Deferred
Published
May 30, 2025, 4:15 PM
Modified
Jun 17, 2026, 7:02 AM