CVE-2023-39477

{"id": "CVE-2023-39477", "metrics": {"cvssMetricV30": [{"type": "Secondary", "source": "zdi-disclosures@trendmicro.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2024-05-03T03:15:13.927", "references": [{"url": "https://inductiveautomation.com/downloads/releasenotes/8.1.33", "source": "zdi-disclosures@trendmicro.com"}, {"url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1050/", "source": "zdi-disclosures@trendmicro.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "zdi-disclosures@trendmicro.com", "description": [{"lang": "en", "value": "CWE-400"}]}], "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."}], "lastModified": "2024-05-03T12:50:12.213", "sourceIdentifier": "zdi-disclosures@trendmicro.com"}