{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ASSIGNER": "security@elastic.co", "ID": "CVE-2021-22138", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Elastic", "product": { "product_data": [ { "product_name": "Elasticsearch", "version": { "version_data": [ { "version_value": "after 6.4.0 and before 6.8.15 and 7.12.0" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-295: Improper Certificate Validation" } ] } ] }, "references": { "reference_data": [ { "url": "https://discuss.elastic.co/t/elastic-stack-7-12-0-and-6-8-15-security-update/268125", "refsource": "MISC", "name": "https://discuss.elastic.co/t/elastic-stack-7-12-0-and-6-8-15-security-update/268125" }, { "refsource": "CONFIRM", "name": "https://security.netapp.com/advisory/ntap-20210629-0001/", "url": "https://security.netapp.com/advisory/ntap-20210629-0001/" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "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." } ] } }