Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2020-5232— Ethereum Name Service - Malicious takeover of previously owned ENS names

Quick assessment

Affected
ensdomains @ensdomains/ens
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ENS是以太坊域名服务的注册商和本地解析器的实现。 ENS中存在安全漏洞，该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。

CVSS 8.7 · High EPSS 1.18% · P66

Possible ATT&CK Techniques 1 AI

T1136 · Create Account
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2020-5232

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Ethereum Name Service - Malicious takeover of previously owned ENS names
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
ENS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ENS是以太坊域名服务的注册商和本地解析器的实现。 ENS中存在安全漏洞，该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ensdomains @ensdomains/ens < 0.4.0 -

II. Public POCs for CVE-2020-5232

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2020-5232

请登录查看更多情报信息。

Patches & Fixes for CVE-2020-5232 (1)

Vendor Advisories for CVE-2020-5232 (1)

IV. Related Vulnerabilities

Same vendor: ensdomains
Same weakness: CWE-285

V. Comments for CVE-2020-5232

No comments yet

Leave a comment