Vulnerability · Published Jan 30, 2020 · Assigned by GitHub_M
CVE-2020-5232Ethereum Name Service - Malicious takeover of previously owned ENS names
High 8.7
In plain English
A high-severity security flaw in @ensdomains/ens from ensdomains. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.7High
Exploit odds (30 days)1.2%top 32.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @ensdomains/ens | 0.4.0 | GHSA-8f9f-pc5v-9r5h |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ensdomains | @ensdomains/ens | < 0.4.0 |
Weakness: CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N