{"id":"CVE-2021-45457","state":"PUBLISHED","title":"Overly broad CORS configuration","description":"In Apache Kylin, Cross-origin requests with credentials are allowed to be sent from any origin. This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apache Kylin 3 version 3.1.2 and prior versions; Apache Kylin 4 version 4.0.0 and prior versions.","publishedAt":"2022-01-06T12:35:22.000Z","updatedAt":"2024-08-04T04:39:21.127Z","severity":null,"assigner":"apache","products":["Apache Software Foundation Apache Kylin"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Kylin","versions":[{"version":"Apache Kylin 2","status":"affected","lessThanOrEqual":"2.6.6","versionType":"custom"},{"version":"Apache Kylin 3","status":"affected","lessThanOrEqual":"3.1.2","versionType":"custom"},{"version":"Apache Kylin 4","status":"affected","lessThanOrEqual":"4.0.0","versionType":"custom"}]}],"references":["https://lists.apache.org/thread/rzv4mq58okwj1n88lry82ol2wwm57q1m","http://www.openwall.com/lists/oss-security/2022/01/06/2"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:13.309Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/45xxx/CVE-2021-45457.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-45457","state":"PUBLISHED","datePublished":"2022-01-06T12:35:22.000Z","dateUpdated":"2024-08-04T04:39:21.127Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2021-12-21T00:00:00.000Z"},"containers":{"cna":{"title":"Overly broad CORS configuration","descriptions":[{"lang":"en","value":"In Apache Kylin, Cross-origin requests with credentials are allowed to be sent from any origin. This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apache Kylin 3 version 3.1.2 and prior versions; Apache Kylin 4 version 4.0.0 and prior versions."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Kylin","versions":[{"version":"Apache Kylin 2","status":"affected","lessThanOrEqual":"2.6.6","versionType":"custom"},{"version":"Apache Kylin 3","status":"affected","lessThanOrEqual":"3.1.2","versionType":"custom"},{"version":"Apache Kylin 4","status":"affected","lessThanOrEqual":"4.0.0","versionType":"custom"}]}],"references":[{"url":"https://lists.apache.org/thread/rzv4mq58okwj1n88lry82ol2wwm57q1m","tags":["x_refsource_MISC"]},{"url":"http://www.openwall.com/lists/oss-security/2022/01/06/2","name":"[oss-security] 20220106 CVE-2021-45457: Apache Kylin: Overly broad CORS configuration","tags":["mailing-list","x_refsource_MLIST"]}],"metrics":[{"other":{"content":{"other":"moderate"},"type":"unknown"}}],"problemTypes":[{"descriptions":[{"description":"CORS","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"apache","dateUpdated":"2022-01-06T15:06:14.000Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09"},"credits":[{"lang":"en","value":"Alvaro Munoz <pwntester@github.com>"}],"source":{"discovery":"UNKNOWN"},"workarounds":[{"lang":"en","value":"Kylin reflects the `Origin` header and allow credentials to be sent cross-origin in the default configuration. The preflight OPTIONS request:\n```\nOPTIONS /kylin/api/projects HTTP/1.1\nHost: localhost:7070\nUser-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:94.0) Gecko/20100101 Firefox/94.0\nAccept: */*\nAccept-Language: en-US\nAccept-Encoding: gzip, deflate\nAccess-Control-Request-Method: POST\nAccess-Control-Request-Headers: content-type\nReferer: http://b49b-95-62-58-48.ngrok.io/\nOrigin: http://b49b-95-62-58-48.ngrok.io\nConnection: keep-alive\nCache-Control: max-age=0\n```\n\nWill be replied with:\n\n```\nHTTP/1.1 200 OK\nServer: Apache-Coyote/1.1\nAccess-Control-Allow-Origin: http://b49b-95-62-58-48.ngrok.io\nAccess-Control-Allow-Credentials: true\nVary: Origin\nAccess-Control-Allow-Methods: DELETE, POST, GET, OPTIONS, PUT\nAccess-Control-Allow-Headers: Authorization, Origin, No-Cache, X-Requested-With, Cache-Control, Accept, X-E4m-With, If-Modified-Since, Pragma, Last-Modified, Expires, Content-Type\nContent-Length: 0\n```\n\nUsers of Kylin 2.x & Kylin 3.x should upgrade to 3.1.3 or apply patch https://github.com/apache/kylin/pull/1782.\nUsers of Kylin 4.x should upgrade to 4.0.1 or apply patch https://github.com/apache/kylin/pull/1781."}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security@apache.org","ID":"CVE-2021-45457","STATE":"PUBLIC","TITLE":"Overly broad CORS configuration"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Apache Kylin","version":{"version_data":[{"version_affected":"<=","version_name":"Apache Kylin 2","version_value":"2.6.6"},{"version_affected":"<=","version_name":"Apache Kylin 3","version_value":"3.1.2"},{"version_affected":"<=","version_name":"Apache Kylin 4","version_value":"4.0.0"}]}}]},"vendor_name":"Apache Software Foundation"}]}},"credit":[{"lang":"eng","value":"Alvaro Munoz <pwntester@github.com>"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In Apache Kylin, Cross-origin requests with credentials are allowed to be sent from any origin. This issue affects Apache Kylin 2 version 2.6.6 and prior versions; Apache Kylin 3 version 3.1.2 and prior versions; Apache Kylin 4 version 4.0.0 and prior versions."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":[{"other":"moderate"}],"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CORS"}]}]},"references":{"reference_data":[{"name":"https://lists.apache.org/thread/rzv4mq58okwj1n88lry82ol2wwm57q1m","refsource":"MISC","url":"https://lists.apache.org/thread/rzv4mq58okwj1n88lry82ol2wwm57q1m"},{"name":"[oss-security] 20220106 CVE-2021-45457: Apache Kylin: Overly broad CORS configuration","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2022/01/06/2"}]},"source":{"discovery":"UNKNOWN"},"work_around":[{"lang":"en","value":"Kylin reflects the `Origin` header and allow credentials to be sent cross-origin in the default configuration. The preflight OPTIONS request:\n```\nOPTIONS /kylin/api/projects HTTP/1.1\nHost: localhost:7070\nUser-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:94.0) Gecko/20100101 Firefox/94.0\nAccept: */*\nAccept-Language: en-US\nAccept-Encoding: gzip, deflate\nAccess-Control-Request-Method: POST\nAccess-Control-Request-Headers: content-type\nReferer: http://b49b-95-62-58-48.ngrok.io/\nOrigin: http://b49b-95-62-58-48.ngrok.io\nConnection: keep-alive\nCache-Control: max-age=0\n```\n\nWill be replied with:\n\n```\nHTTP/1.1 200 OK\nServer: Apache-Coyote/1.1\nAccess-Control-Allow-Origin: http://b49b-95-62-58-48.ngrok.io\nAccess-Control-Allow-Credentials: true\nVary: Origin\nAccess-Control-Allow-Methods: DELETE, POST, GET, OPTIONS, PUT\nAccess-Control-Allow-Headers: Authorization, Origin, No-Cache, X-Requested-With, Cache-Control, Accept, X-E4m-With, If-Modified-Since, Pragma, Last-Modified, Expires, Content-Type\nContent-Length: 0\n```\n\nUsers of Kylin 2.x & Kylin 3.x should upgrade to 3.1.3 or apply patch https://github.com/apache/kylin/pull/1782.\nUsers of Kylin 4.x should upgrade to 4.0.1 or apply patch https://github.com/apache/kylin/pull/1781."}]}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.apache.org/thread/rzv4mq58okwj1n88lry82ol2wwm57q1m","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2022/01/06/2","name":"[oss-security] 20220106 CVE-2021-45457: Apache Kylin: Overly broad CORS configuration","tags":["mailing-list","x_refsource_MLIST","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T04:39:21.127Z"}}]}}}