CVE-2025-20896
📋 TL;DR
This vulnerability in Samsung's EasySetup allows local attackers to access sensitive information due to improper use of implicit intents. It affects Samsung devices running EasySetup versions prior to 11.1.18. The attack requires local access to the device.
💻 Affected Systems
- Samsung EasySetup
📦 What is this software?
Easysetup by Samsung
⚠️ Risk & Real-World Impact
Worst Case
Local attackers could access sensitive configuration data, authentication tokens, or device information that could facilitate further attacks.
Likely Case
Information disclosure of non-critical system data to malicious local apps or users with physical access.
If Mitigated
Minimal impact with proper app sandboxing and security controls in place.
🎯 Exploit Status
Exploitation requires local access to the device, either through physical access or a malicious local application.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 11.1.18
Vendor Advisory: https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=01
Restart Required: Yes
Instructions:
1. Check for system updates in device settings. 2. Install the latest security update from Samsung. 3. Ensure EasySetup version is 11.1.18 or higher. 4. Restart device after update.
🔧 Temporary Workarounds
Disable EasySetup
androidTemporarily disable the EasySetup application to prevent exploitation.
adb shell pm disable-user --user 0 com.samsung.android.easysetup
Restrict local app permissions
androidReview and restrict permissions for local applications to minimize attack surface.
🧯 If You Can't Patch
- Isolate affected devices from sensitive networks and data
- Implement strict physical security controls for devices
🔍 How to Verify
Check if Vulnerable:
Check EasySetup version in device settings > Apps > EasySetup > App infoCheck Version:
adb shell dumpsys package com.samsung.android.easysetup | grep versionNameVerify Fix Applied:
Verify EasySetup version is 11.1.18 or higher after update📡 Detection & Monitoring
Log Indicators:
- Unusual intent broadcasts from EasySetup
- Permission violations related to implicit intents
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Not applicable for this local vulnerability