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CVE-2024-39696— Evmos vulnerable to exploit of smart contract account and vesting

Quick assessment

Affected
evmos evmos
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Evmos是一个可扩展、高吞吐量的权益证明区块链。用于与以太坊完全兼容和互操作。 Evmos 19.0.0之前版本存在安全漏洞，该漏洞源于缺少代码检查的授权，攻击者利用此漏洞可以耗尽链中的所有账户。

CVSS 8.8 · High EPSS 0.52% · P43

Possible ATT&CK Techniques 1 AI

T1561.002 · Disk Structure Wipe
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I. Basic Information for CVE-2024-39696

Vulnerability Information
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Vulnerability Title
Evmos vulnerable to exploit of smart contract account and vesting
Source: CVE Program / CVE List V5
Vulnerability Description
Evmos is a decentralized Ethereum Virtual Machine chain on the Cosmos Network. Prior to version 19.0.0, a user can create a vesting account with a 3rd party account (EOA or contract) as funder. Then, this user can create an authorization for the contract.CallerAddress, this is the authorization checked in the code. But the funds are taken from the funder address provided in the message. Consequently, the user can fund a vesting account with a 3rd party account without its permission. The funder address can be any address, so this vulnerability can be used to drain all the accounts in the chain. The issue has been patched in version 19.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Evmos 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Evmos是一个可扩展、高吞吐量的权益证明区块链。用于与以太坊完全兼容和互操作。 Evmos 19.0.0之前版本存在安全漏洞，该漏洞源于缺少代码检查的授权，攻击者利用此漏洞可以耗尽链中的所有账户。
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
evmos evmos < 19.0.0 -

II. Public POCs for CVE-2024-39696

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9513 chars
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POC zip download
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III. Intelligence Information for CVE-2024-39696

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Patches & Fixes for CVE-2024-39696 (1)

Vendor Advisories for CVE-2024-39696 (1)

IV. Related Vulnerabilities

Same product: evmos
Same vendor: evmos
Same weakness: CWE-863

V. Comments for CVE-2024-39696

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