Description
Elasticsearch versions 7.0.0-7.3.2 and 6.7.0-6.8.3 contain a username disclosure flaw was found in the API Key service. An unauthenticated attacker could send a specially crafted request and determine if a username exists in the Elasticsearch native realm.
Remediation
References
https://discuss.elastic.co/t/elastic-stack-6-8-4-security-update/204908
https://discuss.elastic.co/t/elastic-stack-7-4-0-security-update/201831
https://www.elastic.co/community/security
Related Vulnerabilities
CVE-2023-29523 Vulnerability in maven package org.xwiki.platform:xwiki-platform-oldcore
CVE-2021-28128 Vulnerability in npm package strapi
CVE-2023-36479 Vulnerability in maven package org.eclipse.jetty.ee10:jetty-ee10-servlets
CVE-2012-0022 Vulnerability in maven package tomcat:tomcat-util
CVE-2023-49377 Vulnerability in maven package com.jfinal:jfinal