CVE-2026-27772

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "ev.energy", "vendor": "EV Energy", "versions": [{"status": "affected", "version": "All versions"}]}], "source": "ics-cert@hq.dhs.gov"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ev.energy:ev.energy:*:*:*:*:*:*:*:*", "matchCriteriaId": "6F8630FC-2F5D-4362-8AD7-F2A2A73A20F2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "WebSocket endpoints lack proper authentication mechanisms, enabling \nattackers to perform unauthorized station impersonation and manipulate \ndata sent to the backend. An unauthenticated attacker can connect to the\n OCPP WebSocket endpoint using a known or discovered charging station \nidentifier, then issue or receive OCPP commands as a legitimate charger.\n Given that no authentication is required, this can lead to privilege \nescalation, unauthorized control of charging infrastructure, and \ncorruption of charging network data reported to the backend."}, {"lang": "es", "value": "Los puntos finales WebSocket carecen de mecanismos de autenticaci\u00f3n adecuados, lo que permite a los atacantes realizar suplantaci\u00f3n de estaci\u00f3n no autorizada y manipular datos enviados al backend. Un atacante no autenticado puede conectarse al punto final WebSocket de OCPP utilizando un identificador de estaci\u00f3n de carga conocido o descubierto, luego emitir o recibir comandos OCPP como un cargador leg\u00edtimo. Dado que no se requiere autenticaci\u00f3n, esto puede llevar a escalada de privilegios, control no autorizado de la infraestructura de carga y corrupci\u00f3n de los datos de la red de carga reportados al backend."}], "id": "CVE-2026-27772", "lastModified": "2026-06-17T10:27:39.900", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.5, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "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:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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": "LOW", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27772", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-02T20:08:56.902918Z", "version": "2.0.3"}}]}, "published": "2026-02-27T00:16:58.250", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory"], "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-07.json"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-07"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Product"], "url": "https://www.ev.energy/en-us"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "ev.energy", "vendor": "ev_energy"}], "analysis": {"en": {"generated_at": "2026-04-16T15:46:20.778130+00:00", "value": {"mitigation_remediation": ["Apply any vendor\u2011supplied updates that enforce authentication on OCPP WebSocket endpoints.", "Implement authentication mechanisms (for example TLS client certificates or token validation) for all WebSocket connections to ensure only legitimate chargers can connect.", "Restrict network access to the OCPP WebSocket ports using firewall rules or network segmentation, allowing only trusted infrastructure components or authentic chargers to reach the service.", "Contact EV Energy via their support contact page to obtain guidance on interim mitigations or a patch."], "summary": {"action": "Assess Impact", "impact": "Unauthorized control of charging infrastructure via unauthenticated WebSocket access"}, "threat_synthesis": {"affected_systems": "The affected system is the EV Energy ev.energy product. No version information is supplied, which implies that all current releases are vulnerable until an official fix is released. The platform exposes OCPP WebSocket endpoints over the network, allowing attackers to target any station identifier known to an attacker.", "description_and_impact": "The vulnerability arises from missing authentication on WebSocket endpoints used by the EV Energy ev.energy platform. An attacker who can reach the OCPP WebSocket can connect using a known or guessed charging station identifier and issue or receive commands as if it were a legitimate charger. This flaw enables unauthorized control of charging infrastructure, potential privilege escalation, and corruption of data reported to the backend. The weakness is classified as CWE\u2011306 and leads to severe integrity, availability, and potentially confidentiality impacts.", "risk_and_exploitability": "The CVSS score of 9.3 indicates critical severity. The EPSS score is below 1\u202f% and the issue is not yet in the CISA KEV catalog, suggesting low current exploitation probability, but the attack vector is straightforward: any network actor able to reach the WebSocket endpoint can exploit the flaw with only knowledge of a station identifier. Because authentication is absent, an attacker can impersonate a charger and modify commands, leading to unauthorized control of the charging process and data integrity compromise."}}}}, "created": "2026-02-27T09:03:20.978948+00:00", "updated": "2026-04-16T16:00:13.860387+00:00", "vendors": ["ev_energy", "ev_energy$PRODUCT$ev.energy"]}