{"id":"CVE-2023-27334","state":"PUBLISHED","title":"Softing edgeConnector Siemens ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability","description":"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.","publishedAt":"2024-05-03T01:55:56.942Z","updatedAt":"2024-08-02T12:09:43.393Z","severity":{"score":7.5,"label":"High","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"zdi"},"assigner":"zdi","products":["Softing edgeConnector Siemens"],"affected":[{"vendor":"Softing","product":"edgeConnector Siemens","defaultStatus":"unknown","versions":[{"version":"3.40","status":"affected"}]}],"references":["https://www.zerodayinitiative.com/advisories/ZDI-23-1054/","https://industrial.softing.com/fileadmin/psirt/downloads/syt-2023-1.html"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/27xxx/CVE-2023-27334.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-27334","state":"PUBLISHED","datePublished":"2024-05-03T01:55:56.942Z","dateUpdated":"2024-08-02T12:09:43.393Z","assignerShortName":"zdi","assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateReserved":"2023-02-28T17:58:45.479Z"},"containers":{"cna":{"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","defaultStatus":"unknown","versions":[{"version":"3.40","status":"affected"}]}],"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"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption ('Resource Exhaustion')","type":"CWE"}]}],"providerMetadata":{"shortName":"zdi","orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateUpdated":"2024-05-03T01:55:56.942Z"},"dateAssigned":"2023-02-28T18:05:53.949Z","datePublic":"2023-08-09T15:55:45.687Z","source":{"lang":"en","value":"Claroty Research - Team82 - Uri Katz, Noam Moshe, Vera Mens, Sharon Brizinov"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"softing","product":"edgeconnector","defaultStatus":"unknown","versions":[{"version":"3.40","status":"affected"}],"cpes":["cpe:2.3:a:softing:edgeconnector:-:*:*:*:*:*:*:*"]}],"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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-04T17:24:56.955Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-1054/","name":"ZDI-23-1054","tags":["x_research-advisory","x_transferred"]},{"url":"https://industrial.softing.com/fileadmin/psirt/downloads/syt-2023-1.html","name":"vendor-provided URL","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T12:09:43.393Z"}}]}}}