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.pri.applock.LockUI“ activity allows any other malicious application, with no granted Android system permissions, to inject an arbitrary intent with system-level privileges to a protected application. One must know the protecting PIN number (it might be revealed by exploiting CVE-2024-13916) or ask the user to provide it.

Vendor did not provide information about vulnerable versions.
Only version (version name: 13, version code: 33) was tested and confirmed to have this vulnerability

Classification

CVE ID: CVE-2024-13917

CVSS Base Severity: HIGH

CVSS Base Score: 8.3

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Affected Products

Vendor: Kruger&Matz

Product: com.pri.applock

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: total

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2024-13917
https://cert.pl/en/posts/2025/05/CVE-2024-13915

Timeline