{"id":"BIT-logstash-2021-22138","details":"In Logstash versions after 6.4.0 and before 6.8.15 and 7.12.0 a TLS certificate validation flaw was found in the monitoring feature. When specifying a trusted server CA certificate Logstash would not properly verify the certificate returned by the monitoring server. This could result in a man in the middle style attack against the Logstash monitoring data.","aliases":["CVE-2021-22138"],"modified":"2026-09-08T08:48:09.364805166Z","published":"2024-03-06T10:55:30.006Z","database_specific":{"cpes":["cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*"],"severity":"Low"},"references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/elastic-stack-7-12-0-and-6-8-15-security-update/268125"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210629-0001/"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22138"}],"affected":[{"package":{"name":"logstash","ecosystem":"Bitnami","purl":"pkg:bitnami/logstash"},"ranges":[{"type":"SEMVER","events":[{"introduced":"6.4.0"},{"fixed":"6.8.15"},{"introduced":"7.0.0"},{"fixed":"7.12.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/logstash/BIT-logstash-2021-22138.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}],"schema_version":"1.9.0"}