The mintToken function of a smart contract implementation for Welfare Token Fund (WTF), an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.
https://github.com/BlockChainsSecurity/EtherTokens/tree/master/WelfareTokenFund
https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.md
Source: Mitre, NVD
Published: 2018-07-09
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High
EPSS: 0.00237