{"id":"CVE-2021-21778","state":"PUBLISHED","title":"A denial of service vulnerability exists in the ASDU message processing functionality of MZ Automation GmbH lib60870.NET 2.2.0. A specially crafted network request can lead to loss","description":"A denial of service vulnerability exists in the ASDU message processing functionality of MZ Automation GmbH lib60870.NET 2.2.0. A specially crafted network request can lead to loss of communications. An attacker can send an unauthenticated message to trigger this vulnerability.","publishedAt":"2021-08-25T18:27:21.000Z","updatedAt":"2024-08-03T18:23:29.380Z","severity":null,"assigner":"talos","products":["n/a MZ Automation\""],"affected":[{"vendor":"n/a","product":"MZ Automation\"","versions":[{"version":"MZ Automation GmbH lib60870.NET 2.2.0","status":"affected"}]}],"references":["https://talosintelligence.com/vulnerability_reports/TALOS-2021-1236"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:59.168Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/21xxx/CVE-2021-21778.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-21778","state":"PUBLISHED","datePublished":"2021-08-25T18:27:21.000Z","dateUpdated":"2024-08-03T18:23:29.380Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2021-01-04T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A denial of service vulnerability exists in the ASDU message processing functionality of MZ Automation GmbH lib60870.NET 2.2.0. A specially crafted network request can lead to loss of communications. An attacker can send an unauthenticated message to trigger this vulnerability."}],"affected":[{"vendor":"n/a","product":"MZ Automation\"","versions":[{"version":"MZ Automation GmbH lib60870.NET 2.2.0","status":"affected"}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1236","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"denial of service","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"talos","dateUpdated":"2021-08-25T18:27:21.000Z","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"talos-cna@cisco.com","ID":"CVE-2021-21778","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"MZ Automation\"","version":{"version_data":[{"version_value":"MZ Automation GmbH lib60870.NET 2.2.0"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A denial of service vulnerability exists in the ASDU message processing functionality of MZ Automation GmbH lib60870.NET 2.2.0. A specially crafted network request can lead to loss of communications. An attacker can send an unauthenticated message to trigger this vulnerability."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"denial of service"}]}]},"references":{"reference_data":[{"name":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1236","refsource":"MISC","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1236"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1236","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T18:23:29.380Z"}}]}}}