{"id":"CVE-2021-29251","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-29251","generatedAt":"2026-10-27T23:43:50.116Z","title":"BTCPay Server before 1.0.7.1 mishandles the policy setting in which users can register (in Server Settings > Policies).","description":"BTCPay Server before 1.0.7.1 mishandles the policy setting in which users can register (in Server Settings > Policies). This affects Docker use cases in which a mail server is configured.","published":"2021-04-01T05:15:13.000Z","lastModified":"2026-06-17T03:47:27.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},"cwe":[],"affected":["btcpayserver/btcpay server"],"epss":{"score":0.00786,"percentile":0.55865,"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 (0.79%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://blog.btcpayserver.org/vulnerability-disclosure-v1-0-7-0/","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/btcpayserver/btcpayserver/releases/tag/v1.0.7.1","tags":["Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://blog.btcpayserver.org/vulnerability-disclosure-v1-0-7-0/","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/btcpayserver/btcpayserver/releases/tag/v1.0.7.1","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-29251","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."}