Ethereum Name Service - Malicious takeover of previously owned ENS names
Published Jan 30, 2020
8.7
HIGHCVSS 3.1
EPSS 1.18%
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 products
-
- Version < 0.4.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Ensdomains | n/a | n/a |
|
- ≤ 0.1.0
No data.
No Red Hat product state for this CVE.
@ensdomains/ens
npm
Introduced 0 Fixed 0.4.0
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | @ensdomains/ens | 0 | 0.4.0 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.18% (0.01181) | 66.60th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.18% (0.01181) | 66.35th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.06% (0.00063) | 27.46th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.06% (0.00063) | 26.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00063) | 24.93th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.25% (0.05246) | 75.87th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v1 |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Jan 5, 2022 | 0.62% (0.00624) | 46.35th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (4)
- https://github.com/advisories/GHSA-8f9f-pc5v-9r5h Advisory
- https://github.com/ensdomains/ens/commit/36e10e71fcddcade88646821e0a57cc6c19e1ecf x_refsource_MISCPatchThird Party Advisory
- https://github.com/ensdomains/ens/security/advisories/GHSA-8f9f-pc5v-9r5h x_refsource_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-5232
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-8f9f-pc5v-9r5h | Advisory | |
| https://github.com/ensdomains/ens/commit/36e10e71fcddcade88646821e0a57cc6c19e1ecf | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/ensdomains/ens/security/advisories/GHSA-8f9f-pc5v-9r5h | x_refsource_CONFIRMThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2020-5232 |
Change history (0)
No recorded changes yet.