{"id":"CVE-2017-8441","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-8441","generatedAt":"2026-10-28T21:16:10.715Z","title":"This bug could allow a user with restricted permissions to view data they should not have access to when performing certain operations against an index alias.","description":"Elastic X-Pack Security versions prior to 5.4.1 and 5.3.3 did not always correctly apply Document Level Security to index aliases. This bug could allow a user with restricted permissions to view data they should not have access to when performing certain operations against an index alias.","published":"2017-06-05T14:29:00.000Z","lastModified":"2026-06-17T01:26:22.000Z","status":"Modified","sourceIdentifier":"security@elastic.co","cvss":{"version":"3.0","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-279","CWE-200"],"affected":["elastic/x-pack"],"epss":{"score":0.00733,"percentile":0.5417,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.73%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952","tags":["Vendor Advisory"],"source":"security@elastic.co"},{"url":"https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-released","tags":["Release Notes","Vendor Advisory"],"source":"security@elastic.co"},{"url":"https://www.elastic.co/community/security","tags":["Vendor Advisory"],"source":"security@elastic.co"},{"url":"https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-released","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.elastic.co/community/security","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-8441","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}