CVE-2025-20926
📋 TL;DR
This vulnerability in Samsung's My Files app on Android 14 allows local attackers to improperly access files with the app's elevated privileges. It affects Samsung devices running Android 14 with My Files versions prior to 15.0.07.5. Attackers must have physical access or local execution on the device.
💻 Affected Systems
- Samsung My Files app
📦 What is this software?
Myfiles by Samsung
⚠️ Risk & Real-World Impact
Worst Case
Local attackers could access sensitive files stored by My Files, potentially including documents, media, or other protected content that should be restricted.
Likely Case
Malicious apps or users with local access could read files they shouldn't have permission to access, leading to data leakage.
If Mitigated
With proper app sandboxing and updated software, the vulnerability is eliminated and file access remains properly restricted.
🎯 Exploit Status
Requires local access to the device and knowledge of Android component exploitation. No public exploit code is known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 15.0.07.5
Vendor Advisory: https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=03
Restart Required: No
Instructions:
1. Open Samsung Galaxy Store or Google Play Store. 2. Search for 'My Files'. 3. Update to version 15.0.07.5 or later. 4. Alternatively, wait for automatic updates from Samsung.
🔧 Temporary Workarounds
Disable My Files app
androidTemporarily disable the vulnerable My Files application to prevent exploitation.
adb shell pm disable-user --user 0 com.sec.android.app.myfiles
Use alternative file manager
androidInstall and use a different file manager app while waiting for patch.
🧯 If You Can't Patch
- Restrict physical access to devices and implement mobile device management (MDM) controls.
- Monitor for suspicious file access patterns and implement application whitelisting.
🔍 How to Verify
Check if Vulnerable:
Check My Files app version in Settings > Apps > My Files > App info. If version is below 15.0.07.5, device is vulnerable.
Check Version:
adb shell dumpsys package com.sec.android.app.myfiles | grep versionName
Verify Fix Applied:
Confirm My Files version is 15.0.07.5 or higher in app settings.
📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns from My Files app
- Attempts to access protected storage areas
Network Indicators:
- Not applicable - local vulnerability only
SIEM Query:
Not applicable for this local Android vulnerability