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CVE-2020-5232

Ethereum Name Service - Malicious takeover of previously owned ENS names

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.

Timeline

  1. ID reserved

    By GitHub_M

  2. · 28 days later

    Published

  3. · 5 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2020-5232, by who scored it
Scored byCVSSScoreVector
GitHub_MCNA (assigner)3.1High8.7CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
NVDNVD · Modified3.1High8.7CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS (exploitation in 30 days)
1.2% · top 32% of all CVEs (10 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.7.

Affected products

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References

2

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2020-5232 badge
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Record last updated .