{"id":"GHSA-8f9f-pc5v-9r5h","summary":"Malicious takeover of previously owned ENS names","details":"### Impact\nA 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 owner's consent or awareness.\n\n### Patches\n\nA new ENS deployment is being rolled out that fixes this vulnerability in the ENS registry. The registry is newly deployed at [0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e](https://etherscan.io/address/0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e).\n\n### Workarounds\nDo not accept transfers of ENS domains from other users on the old registrar.","aliases":["CVE-2020-5232"],"modified":"2026-09-10T03:48:43.111378804Z","published":"2020-01-30T23:55:04Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2020-01-30T23:54:51Z","nvd_published_at":"2020-01-31T00:15:00Z","cwe_ids":["CWE-285"]},"references":[{"type":"WEB","url":"https://github.com/ensdomains/ens/security/advisories/GHSA-8f9f-pc5v-9r5h"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5232"},{"type":"WEB","url":"https://github.com/ensdomains/ens/commit/36e10e71fcddcade88646821e0a57cc6c19e1ecf"}],"affected":[{"package":{"name":"@ensdomains/ens","ecosystem":"npm","purl":"pkg:npm/%40ensdomains/ens"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.4.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/01/GHSA-8f9f-pc5v-9r5h/GHSA-8f9f-pc5v-9r5h.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"}]}