{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-27334", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "state": "PUBLISHED", "assignerShortName": "zdi", "dateReserved": "2023-02-28T17:58:45.479Z", "datePublished": "2024-05-03T01:55:56.942Z", "dateUpdated": "2024-06-04T17:24:56.955Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2024-05-03T01:55:56.942Z"}, "title": "Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability", "descriptions": [{"lang": "en", "value": "Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. 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-20498."}], "affected": [{"vendor": "Softing", "product": "edgeConnector Siemens", "versions": [{"version": "3.40", "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-23-1054/", "name": "ZDI-23-1054", "tags": ["x_research-advisory"]}, {"url": "https://industrial.softing.com/fileadmin/psirt/downloads/syt-2023-1.html", "name": "vendor-provided URL", "tags": ["vendor-advisory"]}], "dateAssigned": "2023-02-28T12:05:53.949-06:00", "datePublic": "2023-08-09T10:55:45.687-05:00", "source": {"lang": "en", "value": "Claroty Research - Team82 - Uri Katz, Noam Moshe, Vera Mens, 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": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-27334", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-21T15:55:32.192681Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:softing:edgeconnector:-:*:*:*:*:*:*:*"], "vendor": "softing", "product": "edgeconnector", "versions": [{"status": "affected", "version": "3.40"}], "defaultStatus": "unknown"}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:24:56.955Z"}}]}}

{"descriptions": [{"lang": "en", "value": "Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing edgeConnector Siemens. 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-20498."}], "id": "CVE-2023-27334", "lastModified": "2024-05-03T12:50:34.250", "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": "2024-05-03T02:15:10.443", "references": [{"source": "zdi-disclosures@trendmicro.com", "url": "https://industrial.softing.com/fileadmin/psirt/downloads/syt-2023-1.html"}, {"source": "zdi-disclosures@trendmicro.com", "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1054/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{}