{"id":"CVE-2020-8167","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-8167","generatedAt":"2026-10-27T21:15:19.897Z","title":"A CSRF vulnerability exists in rails <= 6.0.3 rails-ujs module that could allow attackers to send CSRF tokens to wrong domains.","description":"A CSRF vulnerability exists in rails <= 6.0.3 rails-ujs module that could allow attackers to send CSRF tokens to wrong domains.","published":"2020-06-19T18:15:11.000Z","lastModified":"2026-06-17T03:25:59.000Z","status":"Modified","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"},"cwe":["CWE-352"],"affected":["rubyonrails/rails","debian/debian linux"],"epss":{"score":0.01485,"percentile":0.73835,"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 (1.49%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://groups.google.com/g/rubyonrails-security/c/x9DixQDG9a0","tags":["Mailing List","Patch","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://hackerone.com/reports/189878","tags":["Exploit","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://www.debian.org/security/2020/dsa-4766","tags":["Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://groups.google.com/g/rubyonrails-security/c/x9DixQDG9a0","tags":["Mailing List","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hackerone.com/reports/189878","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2020/dsa-4766","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-8167","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."}