CVE-2018-13228: Crowdnext Project Crowdnext

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

The sell function of a smart contract implementation for Crowdnext (CNX), an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.

Affected products

Published 2018-07-05. Last modified 2026-06-17.