The mintToken function of a smart contract implementation for My2Token, 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/My2Token
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