CVE-2024-13917 Intent Injection in Kruger&Matz AppLock application
A malicious app can inject intents into the AppLock activity to bypass security controls, requiring an update to the pre-loaded application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-13917?
CVE-2024-13917 is a high-severity missing authorization vulnerability in Kruger&Matz com.pri.applock, published on 30 May 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Only version (version name: 13, version code: 33) was tested and confirmed to have this vulnerability. Application update was released in April 2025.
Weakness: CWE-926
Which versions are affected by CVE-2024-13917?
How do I fix CVE-2024-13917?
No fix has been published for CVE-2024-13917 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2024-13917 being exploited?
There is no known exploitation of CVE-2024-13917 in the wild and no public exploit code.
Sources
Also known as GHSA-89vx-m8mc-p558.