{"id":"CVE-2021-22133","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-22133","generatedAt":"2026-10-27T23:43:10.724Z","title":"The Elastic APM agent for Go versions before 1.11.0 can leak sensitive HTTP header information when logging the details during an application panic.","description":"The Elastic APM agent for Go versions before 1.11.0 can leak sensitive HTTP header information when logging the details during an application panic. Normally, the APM agent will sanitize sensitive HTTP header details before sending the information to the APM server. During an application panic it is possible the headers will not be sanitized before being sent.","published":"2021-02-10T19:15:12.000Z","lastModified":"2026-06-17T03:36:40.000Z","status":"Modified","sourceIdentifier":"security@elastic.co","cvss":{"version":"3.1","score":2.4,"severity":"LOW","vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-532"],"affected":["elastic/apm agent"],"epss":{"score":0.00521,"percentile":0.44,"date":"2026-10-26","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 (0.52%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://discuss.elastic.co/t/elastic-apm-agent-for-go-1-11-0-security-update/263252","tags":["Release Notes","Vendor Advisory"],"source":"security@elastic.co"},{"url":"https://discuss.elastic.co/t/elastic-apm-agent-for-go-1-11-0-security-update/263252","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22133","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."}