{"id":"CVE-2021-28966","aliases":["BIT-ruby-2021-28966","BIT-ruby-min-2021-28966","GHSA-46f2-3v63-3xrp"],"url":"https://o3.security/vulnerability/CVE-2021-28966","summary":"Tempfile on Windows path traversal vulnerability","details":"In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.","published":"2021-07-30T14:15:16.303Z","modified":"2026-07-08T21:26:35.858477Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"RubyGems","name":"tmpdir","fixedVersion":"0.1.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210902-0004/"},{"type":"FIX","url":"https://hackerone.com/reports/1131465"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T21:26:35.858477Z"}}