CVE-2024-12603
📋 TL;DR
A logic vulnerability in the Transsion AppLock mobile application allows attackers to bypass the application password protection. This affects users of the com.transsion.applock application on Android devices, potentially exposing protected apps and data to unauthorized access.
💻 Affected Systems
- Transsion AppLock (com.transsion.applock)
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of all apps protected by AppLock, allowing unauthorized access to sensitive applications like banking, messaging, and private photos.
Likely Case
Local attackers with physical access to the device bypass AppLock to access protected applications containing personal or sensitive information.
If Mitigated
Limited impact if device has strong physical security controls and users don't store highly sensitive data in protected apps.
🎯 Exploit Status
Requires physical access to device or ability to interact with app interface. Logic flaws typically have low exploitation complexity.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in references
Vendor Advisory: https://security.tecno.com/SRC/securityUpdates
Restart Required: No
Instructions:
1. Open Google Play Store 2. Search for 'AppLock' 3. Check for updates 4. Update to latest version 5. Verify app version in settings
🔧 Temporary Workarounds
Uninstall AppLock
androidRemove the vulnerable application entirely
adb uninstall com.transsion.applock
Use Alternative AppLock
androidReplace with a different application locking solution
🧯 If You Can't Patch
- Enable device-level encryption and strong lock screen password
- Avoid storing highly sensitive data in apps protected only by AppLock
🔍 How to Verify
Check if Vulnerable:
Check if AppLock version is outdated in Google Play Store or app settingsCheck Version:
adb shell dumpsys package com.transsion.applock | grep versionNameVerify Fix Applied:
Verify AppLock is updated to latest version and test password bypass attempts fail📡 Detection & Monitoring
Log Indicators:
- Multiple failed AppLock unlock attempts followed by successful access
- AppLock process crashes or unusual behavior
Network Indicators:
- No network indicators - local vulnerability
SIEM Query:
Not applicable for local mobile app vulnerability