{"id":"CVE-2023-32172","state":"PUBLISHED","title":"Unified Automation UaGateway OPC UA Server Use-After-Free Denial-of-Service Vulnerability","description":"Unified Automation UaGateway OPC UA Server Use-After-Free Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the implementation of the ImportXML function. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20497.","publishedAt":"2024-05-03T01:56:49.400Z","updatedAt":"2024-08-02T15:10:23.685Z","severity":{"score":6.5,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"zdi"},"assigner":"zdi","products":["Unified Automation UaGateway"],"affected":[{"vendor":"Unified Automation","product":"UaGateway","defaultStatus":"unknown","versions":[{"version":"1.5.12.482","status":"affected"}]}],"references":["https://www.zerodayinitiative.com/advisories/ZDI-23-777/","https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:06:00.499Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/32xxx/CVE-2023-32172.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-32172","state":"PUBLISHED","datePublished":"2024-05-03T01:56:49.400Z","dateUpdated":"2024-08-02T15:10:23.685Z","assignerShortName":"zdi","assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateReserved":"2023-05-03T20:10:47.065Z"},"containers":{"cna":{"title":"Unified Automation UaGateway OPC UA Server Use-After-Free Denial-of-Service Vulnerability","descriptions":[{"lang":"en","value":"Unified Automation UaGateway OPC UA Server Use-After-Free Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the implementation of the ImportXML function. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20497."}],"affected":[{"vendor":"Unified Automation","product":"UaGateway","defaultStatus":"unknown","versions":[{"version":"1.5.12.482","status":"affected"}]}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-777/","name":"ZDI-23-777","tags":["x_research-advisory"]},{"url":"https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt","name":"vendor-provided URL","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","lang":"en","description":"CWE-416: Use After Free","type":"CWE"}]}],"providerMetadata":{"shortName":"zdi","orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateUpdated":"2024-05-03T01:56:49.400Z"},"dateAssigned":"2023-05-03T20:16:43.162Z","datePublic":"2023-05-31T23:59:09.188Z","source":{"lang":"en","value":"Claroty Research - Team82 - Uri Katz, Noam Moshe, Vera Mens, Sharon Brizinov"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-07-03T16:00:50.859225Z","id":"CVE-2023-32172","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-07-03T16:00:56.254Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-777/","name":"ZDI-23-777","tags":["x_research-advisory","x_transferred"]},{"url":"https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt","name":"vendor-provided URL","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T15:10:23.685Z"}}]}}}