{"id":"CVE-2021-22949","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-22949","generatedAt":"2026-10-27T23:36:35.267Z","title":"A CSRF in Concrete CMS version 8.5.5 and below allows an attacker to duplicate files which can lead to UI inconvenience, and exhaustion of disk space.Credit for discovery: \"Solar Security CMS Research Team\"","description":"A CSRF in Concrete CMS version 8.5.5 and below allows an attacker to duplicate files which can lead to UI inconvenience, and exhaustion of disk space.Credit for discovery: \"Solar Security CMS Research Team\"","published":"2021-09-23T13:15:09.000Z","lastModified":"2026-06-17T03:38:06.000Z","status":"Modified","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.1","score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L"},"cwe":["CWE-352"],"affected":["concretecms/concrete cms"],"epss":{"score":0.00357,"percentile":0.29191,"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 (0.36%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes","tags":["Release Notes"],"source":"support@hackerone.com"},{"url":"https://hackerone.com/reports/1102225","tags":["Permissions Required"],"source":"support@hackerone.com"},{"url":"https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hackerone.com/reports/1102225","tags":["Permissions Required"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22949","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."}