CVE-2026-34021

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Wertheim SafeController 5400 Hardware for VAULT ROOMS (Safe Deposit Locker System - Microcontroller)", "vendor": "Wertheim GmbH", "versions": [{"status": "affected", "version": "Wertheim SafeController 5400, Controller 5400 - AssemblyVersion 6.11.8130.22320"}]}], "source": "551230f0-3615-47bd-b7cc-93e92e730bbf"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Wertheim SafeController 5400, Controller 5400 - AssemblyVersion 6.11.8130.22320, uses RS-485 communication between the server and the microcontroller without cryptographic protection. An attacker with access to the communication path between the server and the microcontroller can sniff RS-485 messages and replay previously observed messages. This can be used, for example, to spoof a \"quit alarm\" message and continuously deactivate the safe alarm."}, {"lang": "es", "value": "El Wertheim SafeController 5400, Controller 5400 - AssemblyVersion 6.11.8130.22320, utiliza comunicaci\u00f3n RS-485 entre el servidor y el microcontrolador sin protecci\u00f3n criptogr\u00e1fica. Un atacante con acceso a la ruta de comunicaci\u00f3n entre el servidor y el microcontrolador puede interceptar mensajes RS-485 y reproducir mensajes observados previamente. Esto puede utilizarse, por ejemplo, para suplantar un mensaje de \u2019alarma desactivada\u2019 y desactivar continuamente la alarma de la caja fuerte."}], "id": "CVE-2026-34021", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "551230f0-3615-47bd-b7cc-93e92e730bbf", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-34021", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-15T13:10:35.328416Z", "version": "2.0.3"}}]}, "published": "2026-06-15T12:16:24.230", "references": [{"source": "551230f0-3615-47bd-b7cc-93e92e730bbf", "url": "https://r.sec-consult.com/wertdev"}, {"source": "551230f0-3615-47bd-b7cc-93e92e730bbf", "url": "https://wertheim-safes.com/safe-deposit-boxes/"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-in-wertheim-safecontroller-hardware-for-vault-rooms-safe-deposit-locker-system-microcontroller/"}], "sourceIdentifier": "551230f0-3615-47bd-b7cc-93e92e730bbf", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-294"}], "source": "551230f0-3615-47bd-b7cc-93e92e730bbf", "type": "Secondary"}]}

{}

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