CVE-2025-21019
📋 TL;DR
An improper authorization vulnerability in Samsung Health allows local attackers to access sensitive health data stored in the application. This affects users of Samsung Health versions prior to 6.30.1.003 on Samsung mobile devices. User interaction is required to trigger the vulnerability.
💻 Affected Systems
- Samsung Health
📦 What is this software?
Health by Samsung
⚠️ Risk & Real-World Impact
Worst Case
Local attackers could access sensitive health data including medical conditions, fitness metrics, and personal health information stored in Samsung Health.
Likely Case
Malicious apps or users with physical access could extract limited health data through improper authorization checks.
If Mitigated
With proper app permissions and device security controls, only minimal data exposure would occur.
🎯 Exploit Status
Requires local access and user interaction. Likely involves exploiting authorization flaws in app components.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.30.1.003
Vendor Advisory: https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=08
Restart Required: No
Instructions:
1. Open Galaxy Store or Google Play Store on Samsung device. 2. Search for 'Samsung Health'. 3. Update to version 6.30.1.003 or later. 4. Verify update completed successfully.
🔧 Temporary Workarounds
Restrict app permissions
allTemporarily restrict Samsung Health permissions to limit data exposure
Settings > Apps > Samsung Health > Permissions > Disable unnecessary permissions
Disable app when not in use
allForce stop Samsung Health when not actively using health tracking features
Settings > Apps > Samsung Health > Force Stop
🧯 If You Can't Patch
- Uninstall Samsung Health if not essential for device functionality
- Enable device encryption and strong lock screen security to prevent unauthorized physical access
🔍 How to Verify
Check if Vulnerable:
Check Samsung Health version in app settings or device app managerCheck Version:
Open Samsung Health > Settings > About Samsung HealthVerify Fix Applied:
Confirm Samsung Health version is 6.30.1.003 or later📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to Samsung Health data stores
- Multiple failed authorization attempts in app logs
Network Indicators:
- Local inter-process communication attempts to Samsung Health components
SIEM Query:
app:"Samsung Health" AND (event_type:"authorization_failure" OR event_type:"data_access")