{"id":"CVE-2023-32171","state":"PUBLISHED","title":"Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability","description":"Unified Automation UaGateway OPC UA Server Null Pointer Dereference 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 ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20495.","publishedAt":"2024-05-03T01:56:48.684Z","updatedAt":"2024-08-02T15:10:23.764Z","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-23-776/","https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:06:00.499Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/32xxx/CVE-2023-32171.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-32171","state":"PUBLISHED","datePublished":"2024-05-03T01:56:48.684Z","dateUpdated":"2024-08-02T15:10:23.764Z","assignerShortName":"zdi","assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateReserved":"2023-05-03T20:10:47.065Z"},"containers":{"cna":{"title":"Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability","descriptions":[{"lang":"en","value":"Unified Automation UaGateway OPC UA Server Null Pointer Dereference 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 ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20495."}],"affected":[{"vendor":"Unified Automation","product":"UaGateway","defaultStatus":"unknown","versions":[{"version":"1.5.12.482","status":"affected"}]}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-776/","name":"ZDI-23-776","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-476","lang":"en","description":"CWE-476: NULL Pointer Dereference","type":"CWE"}]}],"providerMetadata":{"shortName":"zdi","orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateUpdated":"2024-05-03T01:56:48.684Z"},"dateAssigned":"2023-05-03T20:16:43.155Z","datePublic":"2023-05-31T23:59:01.474Z","source":{"lang":"en","value":"Axel '0vercl0k' Souchet of https://doar-e.github.io/"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"unified-automation","product":"uagateway","defaultStatus":"unknown","versions":[{"version":"1.5.12.482","status":"affected"}],"cpes":["cpe:2.3:a:unified-automation:uagateway:1.5.12.482:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-05-16T18:14:06.144787Z","id":"CVE-2023-32171","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":"2024-06-05T19:43:35.903Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-776/","name":"ZDI-23-776","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":"2024-08-02T15:10:23.764Z"}}]}}}