{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"B&R Automation Runtime","vendor":"B&R Industrial Automation","versions":[{"status":"affected","version":"<G4.93"}]}],"source":"cybersecurity@ch.abb.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*","matchCriteriaId":"4367AD90-1F40-4242-AB9F-BB7BB65E2465","versionEndExcluding":"g4.93","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Improper initialization implementation in Portmapper used in B&R Industrial Automation Automation Runtime <G4.93 allows unauthenticated network-based attackers to cause permanent denial-of-service conditions."}],"id":"CVE-2023-3242","lastModified":"2026-06-17T06:13:39.560","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":4.0,"source":"cybersecurity@ch.abb.com","type":"Secondary"},{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":2.2,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2023-3242","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-10-23T15:31:14.569229Z","version":"2.0.3"}}]},"published":"2023-07-26T18:15:11.147","references":[{"source":"cybersecurity@ch.abb.com","tags":["Vendor Advisory"],"url":"https://www.br-automation.com/downloads_br_productcatalogue/assets/1689787619746-en-original-1.0.pdf"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.br-automation.com/downloads_br_productcatalogue/assets/1689787619746-en-original-1.0.pdf"}],"sourceIdentifier":"cybersecurity@ch.abb.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-665"},{"lang":"en","value":"CWE-770"}],"source":"cybersecurity@ch.abb.com","type":"Secondary"}]}