{"cve":"CVE-2020-5232","nvd":{"published":"2020-01-31T00:15:09.973","modified":"2026-06-17T03:21:04.633","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","score":8.7},"cwes":["CWE-285"],"references":["https://github.com/ensdomains/ens/commit/36e10e71fcddcade88646821e0a57cc6c19e1ecf","https://github.com/ensdomains/ens/security/advisories/GHSA-8f9f-pc5v-9r5h","https://github.com/ensdomains/ens/commit/36e10e71fcddcade88646821e0a57cc6c19e1ecf","https://github.com/ensdomains/ens/security/advisories/GHSA-8f9f-pc5v-9r5h"],"products":["ens.domains:ethereum_name_service"],"source":"nvd","synced_at":"2026-10-19T21:01:01.339895972+00:00"},"epss":{"cve":"CVE-2020-5232","score":0.01181,"percentile":0.67741,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-8f9f-pc5v-9r5h","url":"https://osv.dev/vulnerability/GHSA-8f9f-pc5v-9r5h","summary":"Malicious takeover of previously owned ENS names","modified":"2026-09-10T03:48:43.111378804Z","packages":[{"ecosystem":"npm","name":"@ensdomains/ens","purl":"pkg:npm/%40ensdomains/ens","ranges":["<0.4.0"],"fixed":["0.4.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}