{"id":"CVE-2021-27738","aliases":["EUVD-2022-0730","GHSA-wrx7-qgmj-mf2q"],"status":"published","title":"Improper Access Control to Streaming Coordinator \u0026 SSRF","description":"All request mappings in `StreamingCoordinatorController.java` handling `/kylin/api/streaming_coordinator/*` REST API endpoints did not include any security checks, which allowed an unauthenticated user to issue arbitrary requests, such as assigning/unassigning of streaming cubes, creation/modification and deletion of replica sets, to the Kylin Coordinator. For endpoints accepting node details in HTTP message body, unauthenticated (but limited) server-side request forgery (SSRF) can be achieved. This issue affects Apache Kylin Apache Kylin 3 versions prior to 3.1.2.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02641,"percentile":0.85778,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-918"],"published":"2022-01-06T12:35:17Z","modified":"2026-10-24T10:30:28Z","fixes":[{"ecosystem":"Maven","package":"org.apache.kylin:kylin","fixed_in":["3.1.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.kylin:kylin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.3"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.kylin:kylin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.3"}]}],"versions":["0.7.1-incubating","0.7.2-incubating","1.0-incubating","1.1-incubating","1.1.1-incubating","1.2","1.3.0","1.5.0","1.5.1","1.5.2","1.5.2.1","1.5.3","1.5.4","1.5.4.1","1.6.0","2.0.0","2.1.0","2.2.0","2.3.0","2.3.1","2.3.2","2.4.0","2.4.1","2.5.0","2.5.1","2.5.2","2.6.0","2.6.1","2.6.2","2.6.3","2.6.4","2.6.5","2.6.6","3.0.0","3.0.0-alpha","3.0.0-alpha2","3.0.1","3.0.2","3.1.0","3.1.1","3.1.2"]}],"products":[{"vendor":"apache","product":"kylin"},{"vendor":"apache software foundation","product":"apache kylin"}],"references":[{"url":"https://lists.apache.org/thread/vkohh0to2vzwymyb2x13fszs3cs3vd70","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2022/01/06/6","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27738","tags":["advisory"]},{"url":"https://github.com/apache/kylin/pull/1646","tags":["web"]},{"url":"https://github.com/advisories/GHSA-wrx7-qgmj-mf2q"},{"url":"https://github.com/apache/kylin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-27738","title":"Improper Access Control to Streaming Coordinator \u0026 SSRF","description":"All request mappings in `StreamingCoordinatorController.java` handling `/kylin/api/streaming_coordinator/*` REST API endpoints did not include any security checks, which allowed an unauthenticated user to issue arbitrary requests, such as assigning/unassigning of streaming cubes, creation/modification and deletion of replica sets, to the Kylin Coordinator. For endpoints accepting node details in HTTP message body, unauthenticated (but limited) server-side request forgery (SSRF) can be achieved. This issue affects Apache Kylin Apache Kylin 3 versions prior to 3.1.2.","status":"published","published":"2022-01-06T12:35:17Z","modified":"2024-08-03T21:26:10.756Z","cwes":["CWE-918"],"updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2022-0730","description":"All request mappings in `StreamingCoordinatorController.java` handling `/kylin/api/streaming_coordinator/*` REST API endpoints did not include any security checks, which allowed an unauthenticated user to issue arbitrary requests, such as assigning/unassigning of streaming cubes, creation/modification and deletion of replica sets, to the Kylin Coordinator. For endpoints accepting node details in HTTP message body, unauthenticated (but limited) server-side request forgery (SSRF) can be achieved. This issue affects Apache Kylin Apache Kylin 3 versions prior to 3.1.2.","status":"published","published":"2022-01-06T12:35:17Z","modified":"2024-08-03T21:26:10Z","updated_at":"2026-11-03T03:24:48.366655Z"}],"ghsa":[{"id":"GHSA-wrx7-qgmj-mf2q","title":"Server-Side Request Forgery in Apache Kylin","description":"All request mappings in `StreamingCoordinatorController.java` handling `/kylin/api/streaming_coordinator/*` REST API endpoints did not include any security checks, which allowed an unauthenticated user to issue arbitrary requests, such as assigning/unassigning of streaming cubes, creation/modification and deletion of replica sets, to the Kylin Coordinator. For endpoints accepting node details in HTTP message body, unauthenticated (but limited) server-side request forgery (SSRF) can be achieved. This issue affects Apache Kylin Apache Kylin 3 versions prior to 3.1.2.","status":"published","published":"2022-01-08T00:43:04Z","modified":"2023-02-03T05:03:56Z","cwes":["CWE-918"],"updated_at":"2026-11-02T14:36:41.967989Z"}],"nvd":[{"id":"CVE-2021-27738","description":"All request mappings in `StreamingCoordinatorController.java` handling `/kylin/api/streaming_coordinator/*` REST API endpoints did not include any security checks, which allowed an unauthenticated user to issue arbitrary requests, such as assigning/unassigning of streaming cubes, creation/modification and deletion of replica sets, to the Kylin Coordinator. For endpoints accepting node details in HTTP message body, unauthenticated (but limited) server-side request forgery (SSRF) can be achieved. This issue affects Apache Kylin Apache Kylin 3 versions prior to 3.1.2.","status":"published","published":"2022-01-06T13:15:07.967Z","modified":"2026-06-17T03:45:23.56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:07:03.418194Z"}],"osv":[{"id":"CVE-2021-27738","description":"All request mappings in `StreamingCoordinatorController.java` handling `/kylin/api/streaming_coordinator/*` REST API endpoints did not include any security checks, which allowed an unauthenticated user to issue arbitrary requests, such as assigning/unassigning of streaming cubes, creation/modification and deletion of replica sets, to the Kylin Coordinator. For endpoints accepting node details in HTTP message body, unauthenticated (but limited) server-side request forgery (SSRF) can be achieved. This issue affects Apache Kylin Apache Kylin 3 versions prior to 3.1.2.","status":"published","published":"2022-01-06T13:15:07.967Z","modified":"2026-10-24T10:30:28.26491534Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:19.129331Z"},{"id":"GHSA-wrx7-qgmj-mf2q","title":"Server-Side Request Forgery in Apache Kylin","description":"All request mappings in `StreamingCoordinatorController.java` handling `/kylin/api/streaming_coordinator/*` REST API endpoints did not include any security checks, which allowed an unauthenticated user to issue arbitrary requests, such as assigning/unassigning of streaming cubes, creation/modification and deletion of replica sets, to the Kylin Coordinator. For endpoints accepting node details in HTTP message body, unauthenticated (but limited) server-side request forgery (SSRF) can be achieved. This issue affects Apache Kylin Apache Kylin 3 versions prior to 3.1.2.","status":"published","published":"2022-01-08T00:43:04Z","modified":"2024-12-04T05:30:42.063104Z","cwes":["CWE-918"],"updated_at":"2026-11-02T15:46:59.131095Z"}]}}