{"id":"UBUNTU-CVE-2021-37937","details":"An issue was found with how API keys are created with the Fleet-Server service account. When an API key is created with a service account, it is possible that the API key could be created with higher privileges than intended. Using this vulnerability, a compromised Fleet-Server service account could escalate themselves to a super-user.","modified":"2025-10-24T04:50:27Z","published":"2023-11-22T02:15:00Z","upstream":["CVE-2021-37937"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-37937"},{"type":"REPORT","url":"https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077"},{"type":"REPORT","url":"https://www.elastic.co/community/security"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-37937"}],"affected":[{"package":{"name":"elasticsearch","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/elasticsearch@1.7.3+dfsg-3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2+dfsg-1","1.7.3+dfsg-1","1.7.3+dfsg-2","1.7.3+dfsg-3"],"ecosystem_specific":{"binaries":[{"binary_name":"elasticsearch","binary_version":"1.7.3+dfsg-3"},{"binary_name":"libelasticsearch1.7-java","binary_version":"1.7.3+dfsg-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-37937.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}