CVE-2020-5232

Name: CVE-2020-5232
Creator: NVD / NIST
Published: 2020-01-31T00:15:09.973+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 1.18%

Last modified Jun 17, 2026

CVE-2020-5232 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 1.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.7/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

EPSS Probability

1.18%

63.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-285

Affected Software

Vendor	Product	Versions
Ens.Domains	Ethereum Name Service	<= 0.1.0

References

https://github.com/ensdomains/ens/commit/36e10e71fcddcade88646821e0a57cc6c19e1ecfPatch, Third Party Advisory
https://github.com/ensdomains/ens/security/advisories/GHSA-8f9f-pc5v-9r5hThird Party Advisory
https://github.com/ensdomains/ens/commit/36e10e71fcddcade88646821e0a57cc6c19e1ecfPatch, Third Party Advisory
https://github.com/ensdomains/ens/security/advisories/GHSA-8f9f-pc5v-9r5hThird Party Advisory

Timeline

Published: Jan 31, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5232?

How severe is CVE-2020-5232?

CVE-2020-5232 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5232?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-5232?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST