{"id":"CVE-2020-5232","aliases":["GHSA-8f9f-pc5v-9r5h"],"url":"https://o3.security/vulnerability/CVE-2020-5232","summary":"Malicious takeover of previously owned ENS names","details":"A user who owns an ENS domain can set a trapdoor, allowing them to transfer ownership to another user, and later regain ownership without the new owners consent or awareness. A new ENS deployment is being rolled out that fixes this vulnerability in the ENS registry.","published":"2020-01-31T00:15:09.973Z","modified":"2026-07-08T06:00:49.262127722Z","cvss":{"score":8.7,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"@ensdomains/ens","fixedVersion":"0.4.0"}],"fix":{"url":"https://github.com/ensdomains/ens/commit/36e10e71fcddcade88646821e0a57cc6c19e1ecf","label":"ensdomains/ens@36e10e7"},"references":[{"type":"ADVISORY","url":"https://github.com/ensdomains/ens/security/advisories/GHSA-8f9f-pc5v-9r5h"},{"type":"FIX","url":"https://github.com/ensdomains/ens/commit/36e10e71fcddcade88646821e0a57cc6c19e1ecf"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T06:00:49.262127722Z"}}