{"id":"CVE-2021-20839","state":"PUBLISHED","title":"Office Server Document Converter V7.2MR4 and earlier and V7.1MR7 and earlier allows a remote unauthenticated attacker to conduct an XML External Entity (XXE) attack to cause a deni","description":"Office Server Document Converter V7.2MR4 and earlier and V7.1MR7 and earlier allows a remote unauthenticated attacker to conduct an XML External Entity (XXE) attack to cause a denial of service (DoS) condition to the other servers by processing a specially crafted XML document.","publishedAt":"2021-11-01T01:50:16.000Z","updatedAt":"2024-08-03T17:53:22.634Z","severity":null,"assigner":"jpcert","products":["Antenna House, Inc. Office Server Document Converter"],"affected":[{"vendor":"Antenna House, Inc.","product":"Office Server Document Converter","versions":[{"version":"V7.2MR4 and earlier and V7.1MR7 and earlier","status":"affected"}]}],"references":["https://www.antenna.co.jp/news/2021/osdc72-20211027.html","https://jvn.jp/en/jp/JVN33453839/index.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:55.610Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/20xxx/CVE-2021-20839.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-20839","state":"PUBLISHED","datePublished":"2021-11-01T01:50:16.000Z","dateUpdated":"2024-08-03T17:53:22.634Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2020-12-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Office Server Document Converter V7.2MR4 and earlier and V7.1MR7 and earlier allows a remote unauthenticated attacker to conduct an XML External Entity (XXE) attack to cause a denial of service (DoS) condition to the other servers by processing a specially crafted XML document."}],"affected":[{"vendor":"Antenna House, Inc.","product":"Office Server Document Converter","versions":[{"version":"V7.2MR4 and earlier and V7.1MR7 and earlier","status":"affected"}]}],"references":[{"url":"https://www.antenna.co.jp/news/2021/osdc72-20211027.html","tags":["x_refsource_MISC"]},{"url":"https://jvn.jp/en/jp/JVN33453839/index.html","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"XML external entities (XXE)","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"jpcert","dateUpdated":"2021-11-01T01:50:16.000Z","orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"vultures@jpcert.or.jp","ID":"CVE-2021-20839","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Office Server Document Converter","version":{"version_data":[{"version_value":"V7.2MR4 and earlier and V7.1MR7 and earlier"}]}}]},"vendor_name":"Antenna House, Inc."}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Office Server Document Converter V7.2MR4 and earlier and V7.1MR7 and earlier allows a remote unauthenticated attacker to conduct an XML External Entity (XXE) attack to cause a denial of service (DoS) condition to the other servers by processing a specially crafted XML document."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"XML external entities (XXE)"}]}]},"references":{"reference_data":[{"name":"https://www.antenna.co.jp/news/2021/osdc72-20211027.html","refsource":"MISC","url":"https://www.antenna.co.jp/news/2021/osdc72-20211027.html"},{"name":"https://jvn.jp/en/jp/JVN33453839/index.html","refsource":"MISC","url":"https://jvn.jp/en/jp/JVN33453839/index.html"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.antenna.co.jp/news/2021/osdc72-20211027.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://jvn.jp/en/jp/JVN33453839/index.html","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:53:22.634Z"}}]}}}