{"id":"CVE-2021-22146","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-22146","generatedAt":"2026-11-05T01:11:10.076Z","title":"While in the default setting the anonymous user has no permissions and is unable to successfully query any Elasticsearch APIs, an attacker could leverage the anonymous user to gain insight into certain details of a deployed cluster.","description":"All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled by default in deployed clusters. While in the default setting the anonymous user has no permissions and is unable to successfully query any Elasticsearch APIs, an attacker could leverage the anonymous user to gain insight into certain details of a deployed cluster.","published":"2021-07-21T15:15:14.000Z","lastModified":"2026-06-17T03:36:42.000Z","status":"Modified","sourceIdentifier":"security@elastic.co","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":[],"affected":["elastic/elasticsearch"],"epss":{"score":0.35781,"percentile":0.98467,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2021-07-26","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":50152,"kind":"exploit","title":"Elasticsearch ECE 7.13.3 - Anonymous Database Dump","url":"https://www.exploit-db.com/exploits/50152","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/50152.py","file":"exploits/multiple/webapps/50152.py","published":"2021-07-26","added":"2021-07-26","updated":"2021-07-26","author":"Joan Martinez","type":"webapps","platform":"multiple","port":null,"verified":false,"codes":["CVE-2021-22146"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 35.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/163655/Elasticsearch-ECE-7.13.3-Database-Disclosure.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"security@elastic.co"},{"url":"https://discuss.elastic.co/t/elastic-cloud-enterprise-security-update/279180","tags":["Vendor Advisory"],"source":"security@elastic.co"},{"url":"https://security.netapp.com/advisory/ntap-20210819-0005/","tags":["Third Party Advisory"],"source":"security@elastic.co"},{"url":"http://packetstormsecurity.com/files/163655/Elasticsearch-ECE-7.13.3-Database-Disclosure.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://discuss.elastic.co/t/elastic-cloud-enterprise-security-update/279180","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20210819-0005/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22146","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."}