CVE-2023-39477

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Ignition", "vendor": "Inductive Automation", "versions": [{"status": "affected", "version": "8.1.24"}]}], "source": "zdi-disclosures@trendmicro.com"}, {"affectedData": [{"cpes": ["cpe:2.3:a:inductiveautomation:ignition:8.1.24:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "ignition", "vendor": "inductiveautomation", "versions": [{"status": "affected", "version": "8.1.24"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:inductiveautomation:ignition:*:*:*:*:*:*:*:*", "matchCriteriaId": "159BEF3B-CB5C-45DA-AB18-A2855C624E45", "versionEndExcluding": "8.1.33", "versionStartIncluding": "8.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Inductive Automation Ignition ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Inductive Automation Ignition. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the handling of OPC UA ConditionRefresh requests. By sending a large number of requests, an attacker can consume all available resources on the server. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20499."}, {"lang": "es", "value": "Vulnerabilidad de denegaci\u00f3n de servicio por agotamiento de recursos de actualizaci\u00f3n de condici\u00f3n de encendido de automatizaci\u00f3n inductiva. Esta vulnerabilidad permite a atacantes remotos crear una condici\u00f3n de denegaci\u00f3n de servicio en las instalaciones afectadas de Inductive Automation Ignition. No se requiere autenticaci\u00f3n para aprovechar esta vulnerabilidad. La falla espec\u00edfica existe en el manejo de solicitudes OPC UA ConditionRefresh. Al enviar una gran cantidad de solicitudes, un atacante puede consumir todos los recursos disponibles en el servidor. Un atacante puede aprovechar esta vulnerabilidad para crear una condici\u00f3n de denegaci\u00f3n de servicio en el sistema. Era ZDI-CAN-20499."}], "id": "CVE-2023-39477", "lastModified": "2026-06-17T06:12:24.953", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-39477", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-05T15:47:53.751712Z", "version": "2.0.3"}}]}, "published": "2024-05-03T03:15:13.927", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Release Notes"], "url": "https://inductiveautomation.com/downloads/releasenotes/8.1.33"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1050/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://inductiveautomation.com/downloads/releasenotes/8.1.33"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1050/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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