{"id":"CVE-2021-22145","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-22145","generatedAt":"2026-11-05T01:11:07.619Z","title":"A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting.","description":"A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting. A user with the ability to submit arbitrary queries to Elasticsearch could submit a malformed query that would result in an error message returned containing previously used portions of a data buffer. This buffer could contain sensitive information such as Elasticsearch documents or authentication details.","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":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-200","CWE-209"],"affected":["elastic/elasticsearch","oracle/communications cloud native core automated test suite"],"epss":{"score":0.76249,"percentile":0.99537,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2021-07-23","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":50149,"kind":"exploit","title":"ElasticSearch 7.13.3 - Memory disclosure","url":"https://www.exploit-db.com/exploits/50149","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/50149.py","file":"exploits/multiple/webapps/50149.py","published":"2021-07-23","added":"2021-07-23","updated":"2021-07-23","author":"r0ny","type":"webapps","platform":"multiple","port":null,"verified":false,"codes":["CVE-2021-22145"],"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 76.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"security@elastic.co"},{"url":"https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177","tags":["Vendor Advisory"],"source":"security@elastic.co"},{"url":"https://gist.github.com/lucasdrufva/f9c5d7c9e26ee087b736d727953afd34","source":"security@elastic.co"},{"url":"https://security.netapp.com/advisory/ntap-20210827-0006/","tags":["Third Party Advisory"],"source":"security@elastic.co"},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","tags":["Patch","Third Party Advisory"],"source":"security@elastic.co"},{"url":"http://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20210827-0006/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22145","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."}