Vulnerability Details : CVE-2020-5232
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.
Vulnerability category: BypassGain privilege
Products affected by CVE-2020-5232
- cpe:2.3:a:ens.domains:ethereum_name_service:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-5232
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-5232
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:N/AC:M/Au:S/C:P/I:P/A:N |
6.8
|
4.9
|
NIST | |
|
8.7
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N |
2.3
|
5.8
|
NIST | |
|
8.7
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N |
2.3
|
5.8
|
GitHub, Inc. |
CWE ids for CVE-2020-5232
-
The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.Assigned by: security-advisories@github.com (Secondary)
References for CVE-2020-5232
-
https://github.com/ensdomains/ens/commit/36e10e71fcddcade88646821e0a57cc6c19e1ecf
Merge pull request from GHSA-8f9f-pc5v-9r5h · ensdomains/ens@36e10e7 · GitHubPatch;Third Party Advisory
-
https://github.com/ensdomains/ens/security/advisories/GHSA-8f9f-pc5v-9r5h
Malicious takeover of previously owned ENS names · Advisory · ensdomains/ens · GitHubThird Party Advisory
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