{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-39477", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "state": "PUBLISHED", "assignerShortName": "zdi", "dateReserved": "2023-08-02T21:37:23.124Z", "datePublished": "2024-05-03T02:10:42.854Z", "dateUpdated": "2024-06-05T17:35:42.447Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2024-05-03T02:10:42.854Z"}, "title": "Inductive Automation Ignition ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability", "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."}], "affected": [{"vendor": "Inductive Automation", "product": "Ignition", "versions": [{"version": "8.1.24", "status": "affected"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption ('Resource Exhaustion')", "type": "CWE"}]}], "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1050/", "name": "ZDI-23-1050", "tags": ["x_research-advisory"]}, {"url": "https://inductiveautomation.com/downloads/releasenotes/8.1.33", "name": "vendor-provided URL", "tags": ["vendor-advisory"]}], "dateAssigned": "2023-08-02T16:44:31.510-05:00", "datePublic": "2023-08-08T09:49:31.561-05:00", "source": {"lang": "en", "value": "Claroty Research - Team82 - Uri Katz, Noam Moshe, Vera Vens, Sharon Brizinov"}, "metrics": [{"format": "CVSS", "cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH"}}]}, "adp": [{"affected": [{"vendor": "inductiveautomation", "product": "ignition", "cpes": ["cpe:2.3:a:inductiveautomation:ignition:8.1.24:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "8.1.24", "status": "affected"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-05T15:47:53.751712Z", "id": "CVE-2023-39477", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-05T17:35:42.447Z"}}]}}

{"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."}], "id": "CVE-2023-39477", "lastModified": "2024-05-03T12:50:12.213", "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"}]}, "published": "2024-05-03T03:15:13.927", "references": [{"source": "zdi-disclosures@trendmicro.com", "url": "https://inductiveautomation.com/downloads/releasenotes/8.1.33"}, {"source": "zdi-disclosures@trendmicro.com", "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1050/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{}