{"id":"CVE-2021-22139","aliases":["EUVD-2021-9290","GHSA-823g-p8g4-q559"],"status":"published","title":"Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook...","description":"Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook actions due to a lack of timeout or a limit on the request size. An attacker with permissions to create webhook actions could drain the Kibana host connection pool, making Kibana unavailable for all other users.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00999,"percentile":0.63241,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2021-05-13T17:35:19Z","modified":"2026-10-24T14:25:07Z","products":[{"vendor":"elastic","product":"kibana"}],"references":[{"url":"https://discuss.elastic.co/t/7-12-1-security-update/271433","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22139"},{"url":"https://github.com/advisories/GHSA-823g-p8g4-q559"}],"sources":{"cve":[{"id":"CVE-2021-22139","description":"Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook actions due to a lack of timeout or a limit on the request size. An attacker with permissions to create webhook actions could drain the Kibana host connection pool, making Kibana unavailable for all other users.","status":"published","published":"2021-05-13T17:35:19Z","modified":"2024-08-03T18:30:23.946Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-9290","description":"Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook actions due to a lack of timeout or a limit on the request size. An attacker with permissions to create webhook actions could drain the Kibana host connection pool, making Kibana unavailable for all other users.","status":"published","published":"2021-05-13T17:35:19Z","modified":"2024-08-03T18:30:23Z","updated_at":"2026-11-03T03:25:03.638882Z"}],"ghsa":[{"id":"GHSA-823g-p8g4-q559","title":"Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook...","description":"Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook actions due to a lack of timeout or a limit on the request size. An attacker with permissions to create webhook actions could drain the Kibana host connection pool, making Kibana unavailable for all other users.","status":"published","published":"2022-05-24T19:02:19Z","modified":"2023-01-29T05:06:41Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:46:04.961867Z"}],"nvd":[{"id":"CVE-2021-22139","description":"Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook actions due to a lack of timeout or a limit on the request size. An attacker with permissions to create webhook actions could drain the Kibana host connection pool, making Kibana unavailable for all other users.","status":"published","published":"2021-05-13T18:15:09.12Z","modified":"2026-06-17T03:36:41.087Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:06:53.343329Z"}],"osv":[{"id":"CVE-2021-22139","description":"Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook actions due to a lack of timeout or a limit on the request size. An attacker with permissions to create webhook actions could drain the Kibana host connection pool, making Kibana unavailable for all other users.","status":"published","published":"2021-05-13T18:15:09.12Z","modified":"2026-10-24T14:25:07.106146506Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:18.367807Z"}]}}