CVE-2018-14715: Cryptogs

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

The endCoinFlip function and throwSlammer function of the smart contract implementations for Cryptogs, an Ethereum game, generate random numbers with an old block's hash. Therefore, attackers can predict the random number and always win the game.

Affected products

  • Cryptogs Cryptogs: affected versions not specified

Published 2018-08-03. Last modified 2026-06-17.