Vulnerabilities > Block18
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2018-06-25 | CVE-2018-12703 | Improper Input Validation vulnerability in Block18 The approveAndCallcode function of a smart contract implementation for Block 18 (18T), an tradable Ethereum ERC20 token, allows attackers to steal assets (e.g., transfer the contract's balances into their account) because the callcode (i.e., _spender.call(_extraData)) is not verified, aka the "evilReflex" issue. | 7.5 |