{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73175","assignerOrgId":"bec8025f-a851-46e5-b3a3-058e6b0aa23c","state":"PUBLISHED","assignerShortName":"Nozomi","dateReserved":"2026-08-11T09:36:40.350Z","datePublished":"2026-09-16T13:02:01.469Z","dateUpdated":"2026-09-17T18:57:57.089Z"},"containers":{"cna":{"providerMetadata":{"orgId":"bec8025f-a851-46e5-b3a3-058e6b0aa23c","shortName":"Nozomi","dateUpdated":"2026-09-16T13:02:01.469Z"},"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-469","descriptions":[{"lang":"en","value":"CAPEC-469 HTTP DoS"}]}],"affected":[{"vendor":"Advantech","product":"EKI-1242IEIMS","versions":[{"status":"affected","version":"0","lessThanOrEqual":"1.06.01","versionType":"semver"}],"defaultStatus":"unaffected"},{"vendor":"Advantech","product":"EKI-1242EIMS","versions":[{"status":"affected","version":"0","lessThanOrEqual":"1.06.01","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows an adjacent unauthenticated attacker to exhaust the server session pool and cause a complete denial of service to all legitimate OPC UA clients by opening multiple anonymous sessions.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows an adjacent unauthenticated attacker to exhaust the server session pool and cause a complete denial of service to all legitimate OPC UA clients by opening multiple anonymous sessions.</p>"}]}],"references":[{"url":"https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73175","tags":["third-party-advisory"]},{"url":"https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"Simone Bossi at Nozomi Networks","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-17T18:57:39.326685Z","id":"CVE-2026-73175","options":[{"Exploitation":"none"},{"Automatable":"no"},{"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":"2026-09-17T18:57:57.089Z"}}]}}