CVE-2025-20949
📋 TL;DR
A path traversal vulnerability in Samsung Members app allows attackers to read and write arbitrary files with the app's privileges. This affects Samsung device users running Samsung Members versions prior to 5.0.00.11. Attackers could potentially access sensitive data or modify system files.
💻 Affected Systems
- Samsung Members
📦 What is this software?
Members by Samsung
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise through arbitrary file writes leading to privilege escalation, data theft, or persistent malware installation.
Likely Case
Local data theft from the device, modification of app data, or limited file system access within app's sandbox.
If Mitigated
Limited impact if app runs with minimal permissions and file system access is restricted by OS security controls.
🎯 Exploit Status
Exploitation likely requires local access to device or interaction with malicious content through the app.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.0.00.11
Vendor Advisory: https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=05
Restart Required: No
Instructions:
1. Open Google Play Store on Samsung device. 2. Search for 'Samsung Members'. 3. Update to version 5.0.00.11 or later. 4. Alternatively, update through Samsung Galaxy Store if available.
🔧 Temporary Workarounds
Disable Samsung Members app
androidTemporarily disable the vulnerable app until patched
adb shell pm disable-user --user 0 com.samsung.android.voc
Restrict app permissions
androidRemove unnecessary file access permissions from Samsung Members
adb shell pm revoke com.samsung.android.voc android.permission.READ_EXTERNAL_STORAGE
adb shell pm revoke com.samsung.android.voc android.permission.WRITE_EXTERNAL_STORAGE
🧯 If You Can't Patch
- Isolate affected devices from sensitive networks and data
- Implement application whitelisting to prevent unauthorized app execution
🔍 How to Verify
Check if Vulnerable:
Check Samsung Members app version in device settings > Apps > Samsung Members > App infoCheck Version:
adb shell dumpsys package com.samsung.android.voc | grep versionNameVerify Fix Applied:
Verify app version is 5.0.00.11 or higher in app settings📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns from Samsung Members process
- Path traversal attempts in app logs
Network Indicators:
- Unexpected outbound connections from Samsung Members app
SIEM Query:
process_name:"Samsung Members" AND (file_access:"../" OR file_access:"..\\")